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- 25 Stunning Sights Every Astronomer Should See
Here's my collection of the top 25 stunning sights to see in the sky at night, from Iridium flares to solar flares and distant galaxies. - 5 Radio Telescope Discoveries That Are Significant In Astronomy
Since radio telescopes were developed, significant discoveries have been made. Here we list 5 amazing radio telescope discoveries.
- 25 Stunning Sights Every Astronomer Should See
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- A Beginner's Guide To Observing The Night Sky - Stargazing!
Discover everything you need to know to get started in astronomy which can be quite challenging to beginners and there is lots to learn. - A Guide to Asterisms - The Unofficial Constellations
Asterisms are patterns of stars that are either part of a constellation or entirely separate. The most famous asterism is the Big Dipper. - A Perfect Moonless Sky
Clear skies again, this time without the moon. Amazing what a difference a moonless sky makes to viewing conditions. - A Top 10 List of Hubble's Best Images Ever
In this article, we will look at some of Hubble's best images it has produced since it's launch in 1990 and what they mean for astronomers. - About Me and My Astrophotography Equipment
Here is a quick overview of my astronomy equipment collected over the yeara, my tools and the software I use for post processing my photos. - Advanced Telescopes That Give Us Different Perspectives Of Space
A look at 5 of the most advanced telescopes that have (or will) give us a different perspective of our view of the Universe. - All of the Planetary Conjunctions for 2024
The brightest planets line up in the sky and you can spot planetary conjunctions with just your eyes. Wrap up warm, head outside and look! - Andromeda - Daughter of Cassiopeia
Learn about the constellation Andromeda - Daughter of Cassiopeia, location, facts, mythology, meteor showers and deep space objects. - Antlia - The Air Pump
Learn about the constellation Antlia - The Air Pump, location, facts, mythology, meteor showers and deep space objects. - April 2024 Night Sky Astronomy
What you can see in the sky at night during April including a total solar eclipse, Lyrid meteor shower, deep space objects and moon phases. - Apus - Bird of Paradise
Learn about the constellation Apus - Bird of Paradise, location, facts, mythology, meteor showers and deep space objects. - Aquarius - The Water-Bearer
Learn about the constellation Aquarius - The Water-Bearer, location, facts, mythology, meteor showers and deep space objects. - Aquila - The Eagle
Learn about the constellation Aquila - The Eagle, location, facts, mythology, meteor showers and deep space objects. - Ara - Altar
Learn about the southern constellation Ara - The Altar, location, facts, mythology, meteor showers and deep space objects. - Aries - The Ram
Learn about the constellation Aries - The Ram, location, facts, mythology, meteor showers and deep space objects. - Astronomical Constants - Useful Constants for Astronomy
The IAU system of constants defines a system of astronomical units for length, mass and time, and also includes astronomical constants. - Astronomy for Beginners - Complete Guide
Astronomy began tens of thousands of years ago and has thrilled mankind throughout the ages with the many wonders to be seen in the heavens. - Astronomy Highlights: What's Visible in the February Night Sky
What to see in the night sky during February including Moon phases, planet guide, meteor showers and deeps space objects. - Astrophotography Gallery
My astrophotography shots, the Moon, constellations, deep space objects, planets and the Sun. - August 2023 Night Sky Astronomy Targets
What to see in the night sky during August including Moon phases, supermoon, planet guide, the Perseid meteor shower and deeps space objects M56 and M57. - Auriga - The Charioteer
Learn about the constellation Auriga - The Charioteer, location, facts, mythology, meteor showers and deep space objects.
- A Beginner's Guide To Observing The Night Sky - Stargazing!
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- Boötes - The Herdsman
Learn about the constellation Boötes - The Herdsman, location, facts, mythology, meteor showers and deep space objects. - Brightness, Luminosity and Flux of Stars Explained
Luminosity and flux are a measure of the total energy radiated by a star, galaxy, or another object per unit time in joules/second or watts. - Building a Moon Base Using Lunar Materials for Construction
This article investigates the idea of building a moon base out of lunar resources, which would pave the path for long-term space living.
- Boötes - The Herdsman
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- Caelum - The Sculptors Chisel
Learn about the constellation Caelum - The Sculptors Chisel, location, facts, mythology, meteor showers and deep space objects. - Camelopardalis - The Giraffe
Learn about the constellation Camelopardalis - The Giraffe, location, facts, mythology, meteor showers and deep space objects. - Cancer - The Crab
Learn about the constellation Cancer - The Crab, location, facts, mythology, meteor showers and deep space objects. - Canes Venatici - The Hunting Dogs
Learn about the constellation Canes Venatici - The Hunting Dogs, location, facts, mythology, meteor showers and deep space objects. - Canis Major - The Big Dog
Learn about the constellation Canis Major - The Big Dog, location, facts, mythology, meteor showers and deep space objects. - Canis Minor - The Little Dog
Learn about the constellation Canis Minor - The Little Dog, location, facts, mythology, meteor showers and deep space objects. - Capricornus - The Goat
Learn about the constellation Capricornus - The Goat, location, facts, mythology, meteor showers and deep space objects. - Carina - Keel (of the Argo)
Learn about the constellation Carina - Keel (of the Argo), location, facts, mythology, meteor showers and deep space objects. - Cassiopeia - The Seated Queen
Learn about the constellation Cassiopeia - The Seated Queen, location, facts, mythology, meteor showers and deep space objects. - Centaurus - The Centaur
Learn about the constellation Centaurus - The Centaur, location, facts, mythology, meteor showers and deep space objects. - Cepheus - The King
Learn about the constellation Cepheus - The King, location, facts, mythology, meteor showers and deep space objects. - Cetus - The Whale
Learn about the constellation Cetus - The Whale, location, facts, mythology, meteor showers and deep space objects. - Chandrasekhar Limit - White Dwarfs and Black Holes
The Chandrasekhar limit is an upper limit on the mass of stars where the electron degeneracy pressure and gravity balance out. - Circinus - Compasses
Learn about the constellation Circinus - Compasses, location, facts, mythology, meteor showers and deep space objects. - Clear skies and a New Camera
Tonight I had the first clear night since I have been able to walk, so didn't waste any time volunteering my father to help carry the equipment to the top of the garden! - Columba - The Dove
Learn about the constellation Columba - The Dove, location, facts, mythology, meteor showers and deep space objects. - Coma Berenices - Berenice's Hair
Learn about the constellation Coma Berenices - Berenice's Hair, location, facts, mythology, meteor showers and deep space objects. - Comet ISON Viewing Guide
Comet ISON is visible through binoculars and it is set to get even brighter over the coming weeks as it makes its approach to the Sun. - Comet Photography
I haven't had much luck photographing comets, but those I have been successful with include the spectacular comet 17P/Holmes in 2007. - Comparison of NASA Orbital Launch Systems
A visual comparison of NASA orbital launch systems from Pegasus to the new Space Launch System under design and development. - Constellation Guide and Associated Mythology
Constellation guide to the 88 official constellations which divide up the sky. Learn the mythology, deep space objects and meteor showers. - Constellations and Wide-Field
Wide-field night sky imaging, mostly constellations and skyscapes. - Contact
If you would like to get in contact feel free to get in touch. All comments are moderated and there may be a delay before yours are shown. - Converting Microsoft LifeCam for Astrophotography
Guide for modifying the Microsoft LifeCam series of webcams for use with astronomy which should fit snugly into a standard 1.25" focuser. - Corona Australis - Southern Crown
Learn about the constellation Corona Australis - Southern Crown, location, facts, mythology, meteor showers and deep space objects. - Corona Borealis - The Northern Crown
Learn about the constellation Corona Borealis - The Northern Crown, location, facts, mythology, meteor showers and deep space objects. - Corvus - The Crow
Learn about the constellation Corvus - The Crow, location, facts, mythology, meteor showers and deep space objects. - Could Spinning Spacecraft Provide Artificial Gravity?
Artificial gravity is the creation of an inertial force that mimics gravitational force and will be essential for space flight missions. - Crater - The Cup
Learn about the constellation Crater - The Cup, location, facts, mythology, meteor showers and deep space objects. - Crux - The Southern Cross
Learn about the constellation Crux - The Southern Cross, location, facts, mythology, meteor showers and deep space objects. - Cygnus - The Swan
Learn about the constellation Cygnus - The Swan, location, facts, mythology, meteor showers and deep space objects.
- Caelum - The Sculptors Chisel
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- December 2022 Night Sky Astronomy
Night Sky viewing guide for December 2022 including Moon phases, occultation of Mars, conjunctions, Geminid meteor shower and Deep Space Objects to see. - December 2023 Night Sky Astronomy
Night Sky viewing guide for December 2023 including Moon phases, occultation of Mars, conjunctions, Geminid meteor shower and Deep Space Objects to see. - Deep Space Objects
Deep space imaging of galaxies, nebula, star clusters and Messier objects. - Delphinus - The Dolphin
Learn about the constellation Delphinus - The Dolphin, location, facts, mythology, meteor showers and deep space objects. - Did Johannes Kepler Plot the Death of Tycho Brahe?
Tycho Brahe died suddenly more than 400 years ago and there's been a mystery around if he fell victim to natural causes or was murdered. - Dorado - Goldfish
Learn about the constellation Dorado - Goldfish, location, facts, mythology, meteor showers and deep space objects. - Double Stars
Double stars, also known as binary stars, are systems consisting of two stars that orbit around their common center of mass due to gravitational attraction. - Draco - The Dragon
Learn about the constellation Draco - The Dragon, location, facts, mythology, meteor showers and deep space objects.
- December 2022 Night Sky Astronomy
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- Equuleus - The Little Horse
Learn about the constellation Equuleus - The Little Horse, location, facts, mythology, meteor showers and deep space objects. - Eridanus - The River
Learn about the constellation Eridanus - The River, location, facts, mythology, meteor showers and deep space objects. - Everything You Need to Know About Meteor Showers
From the Perseids to the Geminids, this guide covers everything you need to know about meteor showers. Don't miss out on this spectacle! - Everything You Wanted To Know About Telescope Eyepieces
Telescope Eyepieces are a vital part of any telescope and key to providing magnification. We look at the different types and how they work. - Expansion of the Universe, Cosmic Scale Factor and Hubble's Law
Evidence suggests that the expansion of the universe is accelerating from observations Edwin Hubble made in 1925.
- Equuleus - The Little Horse
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- February Night Sky Astronomy (2023)
What to see in February Night Sky including Moon phases, planets, conjunctions and spring time Deep Space Objects The Beehive Cluster and Leo Triplet. - Finally some clear skies when I'm not in work!
Sunny during the day while I'm stuck in the office, get home and the skies cloud over. Typical. - First Clear Night In Ages - And A Comet!
It was a nice cold, clear night tonight, and I was finally able to go out and see what all the fuss was about over Comet 17P/Holmes which I've been hearing so much about. - First Clear Skies with New Skywatcher Telescope
I can finally use my new Skywatcher telescope that I had for Christmas, as tonight I finally had clear skies! I have the Explorer 200 model which is a 200mm Newtonian reflector. - First Moffat Astronomy Photos
It's been a while since I've been out under the stars, but tonight I took out my camera and photographed some of the stars and the moon from my own dark sky area for Moffat Astronomy. - First Night with Skywatcher Skymax 90
Trying out new equipment on a freezing cold winters night - new telescope, old mount. - First Planetary Images from Bresser Full HD Deep-Sky Camera
Last year in the Black Friday sales I bought a Bresser Full HD Deep Sky Camera. A year later I thought it was about time to try it out! - Fornax - The Furnace
Learn about the constellation Fornax - The Furnace, location, facts, mythology, meteor showers and deep space objects.
- February Night Sky Astronomy (2023)
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- Galaxies
Galaxies are vast systems consisting of stars, stellar remnants, interstellar gas, dust, dark matter, and other celestial objects bound together by gravity. - Gemini - The Twins
Learn about the constellation Gemini - The Twins, location, facts, mythology, meteor showers and deep space objects. - General Astrophotography
Assorted astrophotography which didn't fit into the other categories. - Getting Back into Astronomy after a Long Break
It's been a long time since I have done any night sky viewing, according to my last post on this website it was back in 2010! Well, now I have been out every clear night for the past month (only two nights!) with some new equipment and taken some amazing new photos. - Getting the Most from the ZWO Seestar S50 - Specs, Tips and Tricks
My first impressions of the new ZWO Seestar S50 smart telescope including specifications, tips and sample images. - Glossary of Astronomy & Photographic Terms
Use this glossary of astronomy terms to look up the many technical terms and definitions that you may be unfamiliar with in astronomy. - Great Night Viewing
Tonight I had a very good nights astronomy, starting with my first visual of Jupiter this year. - Grus - The Crane
Learn about the constellation Grus - The Crane, location, facts, mythology, meteor showers and deep space objects.
- Galaxies
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- Halley's Comet - 1P/Halley - Facts & History of the Most Famous Comet
Halley's Comet periodically passes Earth every 75 years and has been seen for centuries. It was last seen in 1986 and will again near 2062. - Harvest Moon Rising
Time for a quick update, the pain and swelling from my wrist operation are subsiding now which is good, and I'm sleeping better at night which is also good. - Hercules - The Son of Zeus
Learn about the constellation Hercules - The Son of Zeus, location, facts, mythology, meteor showers and deep space objects. - Hertzsprung-Russell Diagram and the Main Sequence Explained
The Hertzsprung-Russell diagram shows the relationship between different properties of stars and illustrates trends among stars. - History of the Newtonian Reflector from 1669
The Newtonian Reflector was invented by Sir Isaac Newton in 1672 and was the first to feature the revolutionary 45deg; mirror. - Horologium - The Clock
Learn about the constellation Horologium - The Clock, location, facts, mythology, meteor showers and deep space objects. - How Do I Take Long Exposures With My Camera?
What you need to know in order to take long exposures greater than 30 seconds with a Canon DSLR, "bulb" mode and a shutter release cable. - How Do We Measure Distance in Space Using Parallax and Parsecs
A look at the ways which astronomers measure distance in space covering parallax, distance modulus, variable stars, supernova and redshifts. - How Far Away is the Moon? And How Do We Measure Distance?
Hipparchus first calculated how far away is the Moon in 190BC using a simple method involving trigonometry and was accurate to 1,000km! - How Large is the Earth? And How Do We Measure It?
How large is the Earth, and how do we know that? Greek mathematician Eratosthenes calculated the size of the Earth in 200BC with a stick! - How To Align and Stack Images in Photoshop
Align and Stack images in Photoshop or similar graphics package, allows multiple photos to be combined to improve signal and reduce noise. - How to Attach Your Smartphone or Camera to Telescope
There are various methods for smartphones, mobile phones, compact and DSLR to connect camera to telescope for astrophotography and imaging. - How To Build a DIY Solar Filter for Photographing the Sun and Sunspots
How to build a DIY solar filter using a simple construction method which allows the filter to be fitted over the front of a camera lens. - How To Install SynScan GoTo Upgrade Kit for HEQ5
A detailed SynScan GoTo upgrade guide with pictures on how to upgrade HEQ5 quartz driven mounts to use SynScan GoTo Upgrade Kit. - How To Make A Hartmann Focus Mask for Seestar S50
How to build and use a mini Hartmann focus mask for use on the ZWO Seestar S50 smart telescope to achieve perfect focus every time. - How To Make and Use a DIY Bahtinov Mask to Aid Focus
The Bahtinov mask is a device used to accurately focus astronomical telescopes. It is named after its inventor Pavel Bahtinov. - How To Make and Use a Hartmann Mask to Aid Focus
The Hartmann mask and Scheiner Disk are simple devices for making focusing a lens easier, especially a telescope. - How to Photograph Constellations and Starry Nights
Astrophotograpers are often concerned with making small objects in the sky look big, but the constellations are often overlooked. - How to Photograph the Moon with a DSLR
Find out how to photograph the Moon with your DSLR camera and/or a small telescope and capture amazing views of the Moon and its features. - How to Process and Stack Seestar FITS Files in Siril
Discover the power of stacking FITS with Siril and the Seestar S50 Smart Telescope. Enhance your astrophotography like never before! - How to Process Webcam Captures of Planets with Registax
Improve the quality of your webcam captures of planets with Registax. This tutorial will guide you through the process of using Registax. - How To Reduce Light Pollution in Photoshop
How to effectively reduce light pollution and orange gradients in Photoshop using a few basic filters and layer adjustments. - How To Setup Astroberry On Your Raspberry Pi
Astroberry is a powerful tool for controlling your Raspberry Pi astronomy projects. Learn how to setup Astroberry on your Raspberry Pi! - How to Star Test a Telescope and Fix Optical Aberrations
A star test allows you to measure the quality and accuracy of your telescope and identify if you need to calibrate or collimate it. - How to Use a Telescope Finderscope to Navigate the Nights Sky
How to use the telescope finderscopes that came with your big telescope to help locate celestial objects in the sky and aid star hopping. - How to Use Star Charts, Planispheres and Star Hopping
Tips on how to use star charts, finding objects using celestial coordinates, angular distance, what are arc minutes and arc seconds? - How To Use The Setting Circles On Your Telescope To Find Objects
If you have an equatorial mount, being able to use its setting circles will help quickly find objects in the night sky without computers. - Hydra - Sea Serpent
Learn about the constellation Hydra - Sea Serpent, location, facts, mythology, meteor showers and deep space objects. - Hydrus - The Water Snake
Learn about the constellation Hydrus - The Water Snake, location, facts, mythology, meteor showers and deep space objects. - Hypergiant Stars: The Most Massive Stars in the Universe
Hypergiant stars are the live-fast, die-young rock stars of the universe, burning millions times brighter than the Sun and burn out quickly.
- Halley's Comet - 1P/Halley - Facts & History of the Most Famous Comet
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- I Have a Star Named After Me!
One of my life list goals is to have something named after me, so for my 29th birthday my sister bought me a star name gift. - Indus - American Indian
Learn about the constellation Indus - American Indian, location, facts, mythology, meteor showers and deep space objects. - Interstellar Space Travel - What Does It Take to Get to the Stars?
A look at the challenges of interstellar space travel, current and emerging technologies might one day be able to take us to the stars. - Investigating Light with Spectroscopy and Spectrometry
A look at what light is together with how we use spectroscopy and spectrometry to better understand the universe and composition of stars. - Is Betelgeuse About to Go Supernova?
The possibility of Betelgeuse about to go Supernova has been a hot topic among astronomers and stargazers alike. Get the latest info here.
- I Have a Star Named After Me!
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- July Night Sky Astronomy (2023)
What to see in July's night sky including Moon phases, a supermoon, planet guide, Delta Aquarid meteor shower and July Deep Space Objects including The Eagle Nebula (M16).
- July Night Sky Astronomy (2023)
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- Kepler's Laws of Planetary Motion Explained
Johannes Kepler discovered a link between distance from the Sun and a planets orbital period. This became Kepler's Laws of Planetary Motion.
- Kepler's Laws of Planetary Motion Explained
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- Lacerta - The Lizard
Learn about the constellation Lacerta - The Lizard, location, facts, mythology, meteor showers and deep space objects. - Leo - The Lion
Learn about the constellation Leo - The Lion, location, facts, mythology, meteor showers and deep space objects. - Leo Minor - Little Lion
Learn about the constellation Leo Minor - Little Lion, location, facts, mythology, meteor showers and deep space objects. - Lepus - The Hare
Learn about the constellation Lepus - The Hare, location, facts, mythology, meteor showers and deep space objects. - Libra - The Balance
Learn about the constellation Libra - The Balance, location, facts, mythology, meteor showers and deep space objects. - Light Pollution and Dark Skies - Causes and Solutions
Light pollution is any source of artificial light that shines outside the area it is intended to illuminate and is a growing problem. - List of Astronomy Equations with Workings
Use this Astronomy Equations Cheat Sheet to help find the equations you are looking for, then see the relevant page for tutorials and how to use the equations. - Lunar Eclipse Guide: When and How to See the Blood Moon
Lunar Eclipse viewing guide on what causes lunar eclipses, how to get the best views of a lunar eclipse and how to photograph a eclipse. - Lunar Photography
Photography of the Moon including craters, lunar eclipse and conjunctions. - Lupus - The Wolf
Learn about the constellation Lupus - The Wolf, location, facts, mythology, meteor showers and deep space objects. - Lynx - The Lynx
Learn about the constellation Lynx - The Lynx, location, facts, mythology, meteor showers and deep space objects. - Lyra - The Lyre
Learn about the constellation Lyra - The Lyre, location, facts, mythology, meteor showers and deep space objects.
- Lacerta - The Lizard
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- Magnitude Scale and Distance Modulus in Astronomy
Visual magnitude scale measures relative brightness of objects in the night sky. It has many uses, including calculating distance to stars. - March Night Sky Astronomy (2022)
What to see in the March night sky including Moon phases, vernal equinox, planet guide and Deep Space Objects. - May Night Sky Astronomy (2022)
What to see in May's night sky including Moon phases, a total lunar eclipse, planet guide, the Eta Aquarid meteor shower and the great Hercules Globular cluster M13. - May Night Sky Astronomy (2023)
What to see in May's night sky including Moon phases, a penumbral lunar eclipse, planet guide, and the Eta Aquarid meteor shower. - Mensa - Table Mountain
Learn about the constellation Mensa - Table Mountain, location, facts, mythology, meteor showers and deep space objects. - Meteor Showers
My photographs of meteors and meteor showers. - Microscopium - The Microscope
Learn about the constellation Microscopium - The Microscope, location, facts, mythology, meteor showers and deep space objects. - Monoceros - The Unicorn
Learn about the constellation Monoceros - The Unicorn, location, facts, mythology, meteor showers and deep space objects. - Monthly star guide - What to see in April's Night Sky (2022)
What to see in April's night sky including Moon phases, planet guide, conjunctions, the Lyrid meteor shower and Deep Space Objects M3, M108 and M97. - Monthly star guide - What to see in March Night Sky (2023)
What to see in the March night sky including Moon phases, vernal equinox, planet guide and Deep Space Objects. - Monthly star guide - What to see in October Night Sky (2023)
What to see in the October night sky including Moon phases, a partial solar eclipse, planet guide, the Draconid and Orionid Meteor Showers and October Deep Space Objects. - Musca - The Fly
Learn about the constellation Musca - The Fly, location, facts, mythology, meteor showers and deep space objects. - My First Meteor Shower Photo!
With the annual Perseid meteor shower at its peak, I set up the camera under clear skies to try again at photographing a meteor. After a number of years trying I finally managed to get one on digital film! - My Second M31 and Milky Way
It has been a while since I have done any astrophotography, mainly due to all the clouds and lack of a summer this year!
- Magnitude Scale and Distance Modulus in Astronomy
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- Nebulae and Supernova Remnants
Nebulae are vast, cloud-like regions of gas and dust in space. These structures serve as the birthplaces of stars and are important components of galaxies. - Newtonian Telescope Collimation and Optical Alignment
Newtonian telescope collimation allows for accurate optical alignment of the telescopes mirrors and helps get the most from a telescope. - Night sky, July 2022: What you can see this month
What to see in July's night sky including Moon phases, a supermoon, planet guide, Delta Aquarid meteor shower and July Deep Space Objects including The Eagle Nebula (M16). - Norma - The Level
Learn about the constellation Norma - The Level, location, facts, mythology, meteor showers and deep space objects.
- Nebulae and Supernova Remnants
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- Octans - Octant
Learn about the constellation Octans - Octant, location, facts, mythology, meteor showers and deep space objects. - Open Clusters, Double Stars and a Nebula
Last night I literally dusted off my 200mm (8") Newtonian reflector and set about imaging some more of the winter nights sky. - Ophiuchus - The Serpent-Bearer
Learn about the constellation Ophiuchus - The Serpent-Bearer, location, facts, mythology, meteor showers and deep space objects. - Orion - The Hunter
Learn about the constellation Orion - The Hunter, location, facts, mythology, meteor showers and deep space objects.
- Octans - Octant
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- Partial Solar Eclipse 2022
On October 25th, 2022, we saw a partial solar eclipse. It was visible over most of Europe, north Africa, the Middle East and parts of Asia. - Pavo - Peacock
Learn about the constellation Pavo - Peacock, location, facts, mythology, meteor showers and deep space objects. - Pegasus - The Winged Horse
Learn about the constellation Pegasus - The Winged Horse, location, facts, mythology, meteor showers and deep space objects. - Perseus - Rescuer of Andromeda
Learn about the constellation Perseus - Rescuer of Andromeda, location, facts, mythology, meteor showers and deep space objects. - Phoenix - The Phoenix
Learn about the constellation Phoenix - The Phoenix, location, facts, mythology, meteor showers and deep space objects. - Photos of the Moon
Tonight I took out my small telescope and camera and took a few pictures of the Moon and also used a camera lens with the same focal length for comparison. - Pictor - The Easel
Learn about the constellation Pictor - The Easel, location, facts, mythology, meteor showers and deep space objects. - Pisces - The Fish
Learn about the constellation Pisces - The Fish, location, facts, mythology, meteor showers and deep space objects. - Piscis Austrinus - Southern Fish
Learn about the constellation Piscis Austrinus - Southern Fish, location, facts, mythology, meteor showers and deep space objects. - Planetary Imaging
Photos of the planets in our solar system including planetary conjunctions. - Polar Alignment of an Equatorial Telescope Mount
This article will show you how to set up your telescope mount and a few methods for polar alignment of an equatorial (EQ) mount. - Polar Alignment Techniques for When Polaris is out of Sight
When Polaris is out of sight, don't worry! This comprehensive guide will teach you alternative methods for achieving precise polar alignment. - Privacy Policy
The content in this website is for information purposes only. By visiting this website, you accept and consent to practices described here. - Pulsars - Natures Lighthouses Key to Astronomy
Pulsars are highly magnetised, rotating neutron stars that emit a beam of electromagnetic radiation which are likened to a lighthouse. - Puppis - Stern (of the Argo)
Learn about the constellation Puppis - Stern (of the Argo), location, facts, mythology, meteor showers and deep space objects. - Pyxis - Compass
Learn about the constellation Pyxis - Compass, location, facts, mythology, meteor showers and deep space objects.
- Partial Solar Eclipse 2022
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- Redshift and Blueshift Explained - How We Know Disance to Far-Off Objects
Redshift and Blueshift are visible effects of the Doppler effect which you may have heard when a siren approaches and passes you by. - Resurrecting an Old Telescope From Storage
I've just uncovered my old telescope, how do I go about making it usable again? How do I clean the mirror? How do I put it back together? - Reticulum - The Reticle
Learn about the constellation Reticulum - The Reticle, location, facts, mythology, meteor showers and deep space objects.
- Redshift and Blueshift Explained - How We Know Disance to Far-Off Objects
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- Sagitta - The Arrow
Learn about the constellation Sagitta - The Arrow, location, facts, mythology, meteor showers and deep space objects. - Sagittarius - The Archer
Learn about the constellation Sagittarius - The Archer, location, facts, mythology, meteor showers and deep space objects. - Scorpius - The Scorpion
Learn about the constellation Scorpius - The Scorpion, location, facts, mythology, meteor showers and deep space objects. - Sculptor - The Sculptor
Learn about the constellation Sculptor - The Sculptor, location, facts, mythology, meteor showers and deep space objects. - Scutum - The Shield
Learn about the constellation Scutum - The Shield, location, facts, mythology, meteor showers and deep space objects. - September Night Sky Astronomy (2022)
What to see in the September night sky including Moon phases, September Equinox, planet guide, Jupiter in opposition, star cluster M22 and M28, and Andromeda and Triangulum galaxies M31 and M33. - Serpens - The Serpent
Learn about the constellation Serpens - The Serpent, location, facts, mythology, meteor showers and deep space objects. - Seven Wonders of the Universe
A look at the Seven Wonders of the Universe, from the Big Bang to Superdense Stars we check out the wonders of the universe. - Sextans - The Sextant
Learn about the constellation Sextans - The Sextant, location, facts, mythology, meteor showers and deep space objects. - Sidereal Time, Civil Time and Solar Time
Sidereal time is a method astronomers use to locate objects. Using sidereal time its possible to point a telescope to an object in the sky. - Sitemap
Searchable sitemap to help find page content. Please enter a search term in the box below to search pages on this site. - Sky Orientation through a Telescope
Looking through an eyepiece, the sky orientation will take on a different appearance depending on which type of telescope you use. - Skywatcher StarTravel 102 EQ1 Short Tube Refractor Telescope
I have just bought another telescope, a short tube Skywatcher StarTravel 102 refractor which is a lot smaller than my 200mm reflector. - Smartphone Astrophotography - How To Capture The Night Sky With Your Phone
Guide to Smartphone Astrophotography so you can photograph the night sky with your mobile phone camera connected to a telescope. - Solar Photography and Eclipse
Photography of the Sun including sunspots, solar eclipse and transits of the Sun. - Spectral Classification of Stars
Spectral classification of stars is a grouping based on photospheric temperature and its associated spectral characteristics. - Star Clusters
Star clusters are groups of stars that are gravitationally bound together. They come in two main types- open clusters and globular clusters. - Star Formation and Stellar Evolution
We are all pretty familiar with stars. We see them on clear nights as tiny, twinkling pinpricks of light in the sky. But what are stars? - Stephen Hawking - The Man Behind the Computerized Voice
Stephen Hawking, English physicist and author, the man with the computerized voice, died peacefully at his Cambridge home in 2018 aged 76. - Structure of the Sun - Regions, Layers and Features of the Sun
Guide to the structure of the Sun, its different layers, regions and features and their composition and importance to space weather. - Sunspot AR953
A new sunspot has developed on the surface of the Sun. Designated AR953, this sunspot is approximately three times the size of our little planet. - Supermoon Lunar Eclipse 2015
A supermoon total lunar eclipse took place between September 27 and 28, 2015. It was seen in the early hours of Monday morning, September 28.
- Sagitta - The Arrow
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- Tabby's Star: A Cosmic Puzzle That Defies Explanation
Tabby's Star has been dubbed the "most mysterious star in the galaxy." Explore the theories behind this astronomical phenomenon. - Taurus - The Bull
Learn about the constellation Taurus - The Bull, location, facts, mythology, meteor showers and deep space objects. - Telescope Calculator for Magnification, Resolution and Field of View
This Telescope Calculator will help you find optimum magnification, field of view of a given eyepiece and limiting magnitude. - Telescopium - The Telescope
Learn about the constellation Telescopium - The Telescope, location, facts, mythology, meteor showers and deep space objects. - The 13 Greatest Astronomers in History And Their Achievements
Here are 13 of the greatest astronomers in history who have shaped our understanding of the known universe and created science of astronomy. - The Big Bang - The Beginning of the Universe As We Know It
We look at what the Big Bang theory is, the evidence we have for the theory and what the future may hold for the universe. - The Caldwell Catalogue
Messier objects are faint fuzzy objects to be avoided when searching for comets, Caldwell Catalogue is a list of objects you should observe. - The Chamaeleon
Learn about the constellation The Chamaeleon, location, facts, mythology, meteor showers and deep space objects. - The Conditions for Life in the Universe and The Habitable Zone
What are the conditions for life as we know it, and exactly what are the building blocks of life and this goldilocks zone we hear about? - The Dangers of Living and Working on the ISS
A look at some of the risks and dangers facing astronauts who live and work on the International Space Station (ISS). - The Messier Catalogue of Objects To Observe
The Messier Catalogue is a set of astronomical objects to which resembled, but were not, comets and should be avoided by comet hunters. - The Next Generation of Deep-Space Telescopes
With Hubble now approaching the end of its scientific life, we take a look at the most exciting prospects of future deep space telescopes. - The Physics Governing the Universe - Interactions, EM, Gravity
In this article, we will have a look at some of the important physics concepts needed to understand how the universe works. - The Potential of AI in Interstellar Communication with Aliens
Uncover the exciting possibilities of using AI in interstellar communication with aliens. This article explores how AI can revolutionize our ability to connect with extraterrestrial beings. - The Science Behind SpaceX Starship SN15's Successful Landing
SpaceX's Starship SN15 has made history with its successful landing. Discover the science behind this incredible feat in this article. - The Solar System and Planets Guide and Factsheet
A guided tour of the solar system from the Sun to the Oort Cloud stopping off at the major attractions along the way like the asteroid belt. - The SpaceX Superheavy Booster Test Flight Explosion: What Happened?
The highly anticipated SpaceX Superheavy Booster Test Flight ended in disaster. Learn about the causes of the explosion and the implications for the space industry. - The Ultimate Guide to Moon Watching and Observing the Moon
Moon watching is a great way to start to exploring the night sky and you don't need any expensive equipment to enjoy looking at the Moon. - Tips for Buying Your First Telescope - What Type? How Big?
Buying your first telescope can be a daunting task. We show you what you should look for and how to quickly get up and running. - Tips for Improving Your Dark Eye Adaptation in Low Light Conditions
Improve your vision in low light conditions with these simple tips for enhancing your dark eye adaptation. - Too much Light Pollution
I started off photographing the Moon, experimenting with the mirror lockup feature on the camera which lifts the mirror and lets the vibrations dampen off before taking the picture. - Top 10 Best Mobile Apps for Astronomers in 2024
A collection of mobile applications to help you navigate the night sky, locate objects and never miss an astronomical event. - Top 10 Places To Find Alien Life
There are billions of stars in our own galaxy and even more in galaxies beyond. Is there is a good chance of finding life beyond Earth? - Top 5 Space Exploration Breakthroughs of 2014
2014 has seen incredible space exploration breakthroughs like discovery of exoplanets and successfully landing the Mars Curiosity Rover. - Top Tips for Binocular Astronomy to See The Night Sky
Binoculars play a big part in astronomy for beginners and experienced alike. These tips will help you make the most of Binocular Astronomy. - Triangulum - The Triangle
Learn about the constellation Triangulum - The Triangle, location, facts, mythology, meteor showers and deep space objects. - Triangulum Australe - Southern Triangle
Learn about the constellation Triangulum Australe - Southern Triangle, location, facts, mythology, meteor showers and deep space objects. - Trip to Loch Lomond to Reignite my Astronomy Passion
After a very long time away from my scopes, my interest in astronomy and astrophotography has been reignited by a trip to Loch Leven watching shooting stars, satellites and just enjoying the night sky. - Trying Out New Astrophotography Techniques
I haven't been very active in astro imaging the past few years for various reasons, however now I try new astrophotography techniques. - Tucana - Toucan
Learn about the constellation Tucana - Toucan, location, facts, mythology, meteor showers and deep space objects.
- Tabby's Star: A Cosmic Puzzle That Defies Explanation
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- Unveiling the Mysteries of the Large Magellanic Cloud
Among the many celestial wonders the Large Magellanic Cloud is a fascinating enigma in the night sky that entices astronomers and stargazers. - Ursa Major - The Big Dipper / The Great Bear
Learn about the constellation Ursa Major - The Great Bear, location, facts, mythology, meteor showers and deep space objects. - Ursa Minor - The Little Bear
Learn about the constellation Ursa Minor - The Little Bear, location, facts, mythology, meteor showers and deep space objects.
- Unveiling the Mysteries of the Large Magellanic Cloud
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- Vela - Sails (of the Argo)
Learn about the constellation Vela - Sails (of the Argo), location, facts, mythology, meteor showers and deep space objects. - Virgo - The Maiden
Learn about the constellation Virgo - The Maiden, location, facts, mythology, meteor showers and deep space objects. - Volans - Flying Fish
Learn about the constellation Volans - Flying Fish. It's location, facts, mythology, meteor showers and any deep space objects. - Vulpecula - The Fox
Learn about the constellation Vulpecula - The Fox, location, facts, mythology, meteor showers and deep space objects.
- Vela - Sails (of the Argo)
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- What are Asteroids, Meteors and Comets?
Asteroids, Meteors and Comets are visitors from the far reaches of space. They are rock and ice from deep space but what is the difference? - What are Astronomical Planet Symbols used to Represent the Planets?
When astronomy was closely linked to astrology, astronomical planet symbols were used to represent various celestial objects. - What Are Binary Stars and Double Stars
Binary Stars and Double Stars are star systems consisting of two stars orbiting around their common centre of mass. - What Are Black Holes? Black Holes Explained - From Birth to Death
A black hole is a collapsed star with all its mass concentrated in a tiny area so nothing can escape its gravitational pull, not even light. - What Are Galaxy Mergers - Galactic Interactions and Collisions?
Galaxy mergers occur when two galaxies collide and are the most violent of galaxy interactions. The result is the creation of new galaxies. - What Are Gamma Ray Bursts and Where Do They Come From?
Gamma Ray Bursts (or GRB's) are the most luminous electromagnetic events occurring in the universe since the Big Bang. - What Are Lagrange Points?
Lagrange Points are points where an object can orbit a fixed distance from two larger masses and gravitational pull equals centripetal force - What Are Quasars (QUAsi-Stellar Radio Source)?
Quasars are very energetic and distant galaxy with an active galactic nucleus. They are the most luminous objects in the universe. - What are Right Ascension (RA) and Declination (Dec)?
We will look at how to locate objects using Right Ascension and Declination coordinates and what the Celestial Sphere are ecliptic are. - What are Supernova and Supernovae?
Supernova are very luminous explosions caused by the death of a star. The burst of radiation often briefly outshines an entire galaxy. - What Are The Equinoxes and Solstices About?
Each year the changing of the seasons is defined by equinox and solstices. What are they and why do they happen? Find out in this guide. - What are Variable Stars and How to Observe Them
Most stars have a fixed and constant brightness but there are some stars that undergo dramatic changes. These are called Variable Stars. - What Causes the Earth's Magnetic Field?
Just where did our protective magnetosphere come from? We take a look at the Earth's magnetic field and how it interacts with the Sun. - What Causes The Northern Lights - Aurora Borealis
What are the Northern Lights? When and where can you see the Northern Lights? How often do you see the Northern Lights? - What did Chinese Astronomers Discover? Legacy of the Chinese Astronomers
Learn about the fascinating history of Chinese astronomers and their contribution to astronomy from as far back as 2000BC. - What Early Astronomers Did For Us (More Than You Think!)
Early astronomers performed methodical observations of the night sky, and astronomical artefacts have been found from much earlier periods. - What is a Blue Moon and When Will the Next One Occur?
Have you ever heard of a blue moon? Discover the history and folklore behind this rare lunar phenomenon in this informative article. - What is a galaxy? What Types of Galaxy Are There? Where Do They Come From?
A look at what galaxies are, the types of galaxies that we can see, the "tuning fork" and galaxy formation - where do galaxies come from? - What is a Neutron Star and What Are They Made Of?
The death of a star in a supernova is a catastrophic event. It leaves behind an unimaginably dense object called a neutron star. - What is an Exoplanet? How Can We Detect Exoplanets?
Exoplanet is a word used to describe a planetary body orbiting a star other than our own Sun. It is a combination of Extra-Solar Planet. - What is Angular Size in Astronomy?
Angular size is a geometric concept and a key astronomical metric. We look at how angular size measured and what arcminutes & arcseconds are - What is Black Body Radiation?
All objects are continually absorbing and emitting infrared radiation. Black bodies are perfect absorbers and emitters of radiation. - What is Cosmology and the Big Bang Theory for Beginners
Cosmology is the study of the history, structure, and dynamics of the universe including how the universe started and how it will end. - What is Electron Degeneracy Pressure and White Dwarfs Explained
Electron degeneracy pressure is a result of Pauli exclusion principle where 2 fermions can't occupy the same quantum state at the same time. - What is Energy? Energy Stores and Transfers Explained
Energy underpins every process in the universe, so let's take a look at where it comes from, the processes involved and what energy does. - What is Light? How To Measure the Speed of Light?
Light is part of the electromagnetic spectrum, a wave and a particle. Let's look at what light is and how it behaves and the speed of light. - What is Space Weather and how does Space Weather Affect the Earth?
Find out about the different elements of space weather and how environmental conditions in space affects the Earth. - What is the Cosmic Microwave Background Radiation?
This article looks at what Cosmic Microwave Background Radiation is, how it was detected and why it is important for cosmology. - What is the Kuiper Belt and Kuiper Belt Objects?
The Kuiper belt is an area of the solar system extending from the orbit of Neptune and is the area periodic comets come from. - What is the Moon Illusion? Why Does the Moon Look Really Big?
The Moon illusion makes the Moon appear much larger when it is closer to the horizon. Find out what causes the illusion in this article. - What Nebula and Nebulae, What are the Types of Nebula?
A look at what nebula and nebulae are, how they are created and the types of nebula we can observe in the universe with examples and photos. - What to Expect From Your First Night With Your First Telescope
How to get the most out of your first night observing with your first telescope, including what to observe and when to observe. - What to See in December's Night Sky (2021)
Monthly guide for what to see in December 2021 including comets, planets, meteor showers and more! - What to see in February Night Sky (2022)
What to see in February Night Sky including Moon phases, planets, conjunctions and spring time Deep Space Objects The Beehive Cluster and Leo Triplet. - What to See in January's Night Sky
Night Sky viewing guide for January 2024 including Moon phases, conjunctions, meteor showers and Deep Space Objects to see. - What To See In March 2024
What astronomers can see in the March night sky including moon phases, penumbral lunar eclipse in March 2024 and how to see the planets. - What to see in October Night Sky (2022)
What to see in the October night sky including Moon phases, a partial solar eclipse, planet guide, the Draconid and Orionid Meteor Showers and October Deep Space Objects. - What to See in the Autumn Night Sky
As the warm nights of summer give way to crisp autumnal evenings, there's plenty of autumn deep sky objects to see in the autumn night sky. - What to See in the Night Sky - January 2023
January 2023 astronomy events calendar shows you what to see in the night sky including the Comet C/2022 E3 ZTF, meteor showers and planets. - What to see in the Night Sky in August 2022
What to see in the night sky during August including Moon phases, supermoon, planet guide, the Perseid meteor shower and deeps space objects M56 and M57. - What to See in the Spring Night Sky - Planets, DSO, Meteor Showers
A collection of Spring night sky targets to observe during March to May before the days get too long and we lose dark nights for the summer. - What to See in the Summer Night Sky - Planets, Meteor Showers and DSO
The summer night sky can be a wonderful time for stargazing and despite the light evenings, there's much to be seen at this time of year. - What to See in the Winter Night Sky
The winter night sky sparkles with some of the best celestial objects to observe from the northern hemisphere. - What's in the night sky in April (2023)
What to see in April's night sky including Moon phases, planet guide, conjunctions, the Lyrid meteor shower and Deep Space Objects M3, M108 and M97. - What's in the night sky in January (2022)
A dark sky meteor shower, Mercury rising, and a full Wolf Moon start off the New Year as well as a number of great deep sky objects worth observing. - What's in the night sky in June (2022)
What to see in the June night sky, including Moon phases, supermoon, June Solstice, planet guide, summer milky way and deep space objects M8 lagoon nebula and globular cluster M22. - What's in the night sky in September 2023
What to see in the September night sky including Moon phases, September Equinox, planet guide, star cluster M22 and M28, and galaxies M31 and M33. - What's up in the night sky this June (2023)
What to see in the June night sky, including Moon phases, supermoon, June Solstice, planet guide, summer milky way and deep space objects M8 lagoon nebula and globular cluster M22. - What's up in the night sky this November? (2022)
What to see in Novembers night sky including Moon phases, a total lunar eclipse, planet guide, Taurid and Leonid meteor showers and deep space objects in Orion, the great nebula as well as M78, horsehead and flame nebulas. - What's up in the night sky this November? (2023)
What to see in Novembers night sky including Moon phases, a total lunar eclipse, planet guide, Taurid and Leonid meteor showers and deep space objects in Orion, the great nebula as well as M78, horsehead and flame nebulas. - Which Astronomy Filters To Use For Astrophotography and Observation
Astronomy filters are used to eliminate unwanted light and bring out fine details of an object, be it planetary, lunar of deep space. - Why Do Stars Twinkle at Night?
I'm often asked Why do Stars Twinkle? So I'll answer the question with an article and few tips for astronomers to eliminate star twinkling.
- What are Asteroids, Meteors and Comets?