Astronomy compels the soul to look upwards and leads us from this world to another.

Constellation Guide

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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.

Observational Astronomy Series
  1. Tips for Getting Started in Astronomy
  2. Dark Eye Adaption - How We See In the Dark
  3. Light Pollution
  4. Using Star Charts and Measuring Distance
  5. Constellation Guide
  6. Binocular Astronomy
  7. Moon Watching - How to Observe the Moon
  8. Buying Your First Telescope
  9. Your First Night With Your First Telescope
  10. Sky Orientation through a Telescope
  11. Polar Alignment of an Equatorial Telescope Mount
  12. Useful Astronomy Filters for Astrophotography

Canis Major

The Big Dog

Canis Major is one of the 88 modern constellations, and was also in Ptolemy's list of 48 constellations.

Constellation Guide Canis Major

Canis Major's alpha star Sirius is the brightest star besides the Sun as seen from Earth. It is also one of the nearest. The star's name means scorching, since the summer heat occurred just after Sirius' helical rising. The Ancient Greeks referred to such times in the summer as dog days, as only dogs would be mad enough to go out in the heat, leading to the star being known as the Dog Star. Consequently, the constellation was named after it, as a Big Dog.

Canis Major Mythology

It is said to represent one of the dogs following Orion the hunter. Canis Major contains Sirius, the brightest star in the night sky, and that star is part of the Winter Triangle.

Notable Objects in Canis Major

The only Messier object is M41 (NGC 2287), an open cluster with a combined visual magnitude of 4.5.

Photos of Canis Major

I have no photos of Canis Major yet.

Constellations

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 Summer Constellations

These Northern constellations are best viewed around the summer 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.

Northern Winter Constellations

These Northern constellations are best viewed around the winter months. The rest of the year the constellation will not rise during the night.

Last updated on: Wednesday 24th January 2018

 

 

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