- Tips for Getting Started in Astronomy
- Dark Eye Adaption - How We See In the Dark
- Light Pollution
- Using Star Charts and Measuring Distance
- Constellation Guide
- Binocular Astronomy
- Moon Watching - How to Observe the Moon
- Buying Your First Telescope
- Your First Night With Your First Telescope
- Sky Orientation through a Telescope
- Polar Alignment of an Equatorial Telescope Mount
- Useful Astronomy Filters for Astrophotography
Constellation guide to the 88 official constellations which divide up the sky. These constellations are used to help navigate the celestial sphere. The Constellations are patterns in the sky which have been to invented and have deep mythology behind them. Constellations cover massive areas in the sky and as such are very easy to find.
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Constellations are usually one of the first things new astronomers start observing, and something many professionals totally ignore in there exploration of deep space. Constellations aren't real objects, they are a figment of our creative imaginations. Over the millennia we have grouped stars together to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices. The entire sky is divided up into 88 areas, each one a constellation. They help us navigate the night's sky, and navigate the Earth.
Some of the constellations have very familiar names, such as Leo, Gemini, Virgo and Aquarius. These are some of the 12 constellations which form the Zodiac. The Zodiac constellations follow the line of the ecliptic. The ecliptic is the apparent path of the Sun on the celestial sphere.
Not all of the constellations are visible from any one point on Earth. The star maps are typically divided into maps for the northern hemisphere and maps for the southern hemisphere. The season of the year can also affect what constellations are visible from where you are located on Earth.
The Plough, shown above, isn't an official constellation, but one of the many unofficial constellations called Asterisms.
You can view more about each of the individual constellations in the links below.
Northern Circumpolar Constellations
These constellations can be viewed all year round in the Northern hemisphere as they move in a counterclockwise direction around the north celestial pole without setting or dipping below the horizon.
Northern Spring Constellations
These Northern constellations are best viewed around the spring months. The rest of the year the constellation will not rise during the night.
Northern Autumn Constellations
These Northern constellations are best viewed around the autumn months. The rest of the year the constellation will not rise during the night.
Last updated on: Wednesday 24th January 2018