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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

Cetus

The Whale

Cetus is a constellation of the southern sky, in the region known as the Water, near other watery constellations like Aquarius, Pisces, and Eridanus.

Constellation Guide Cetus

This constellation's most notable star is Mira (? Ceti), the first variable star to be discovered. Over a period of 331.65 days it can reach a maximum magnitude as high as 2.0m, one of the brightest in the sky and easily visible to the unaided eye, then drop to 10.1m and back again.

Cetus Mythology

This constellation has been known since antiquity. In Mesopotamia, it was identified with the primordial cosmic female principle, the sea-monster Tiamat.

In Greek mythology, together with the constellations above it, of Andromeda, Cepheus, Perseus, Cassiopeia, and possibly Pegasus), this may be the source of the myth of the Boast of Cassiopeia, with which it is usually identified.

In certain earlier Greek mythology, it also represented the gates (and gateposts) of the underworld (considered to be the area under the ecliptic).

Notable Objects in Cetus

Cetus lies far from the galactic plane, so that many distant galaxies are visible, unobscured by dust from the Milky Way. Of these, the brightest is Messier 77 (NGC 1068), a 9th magnitude spiral galaxy near Delta Ceti.

IC 1613 (Caldwell 51) is an irregular dwarf galaxy near the star 26 Ceti and is a member of the Local Group.

NGC 246 (Caldwell 56), also called the Cetus Ring, is a planetary nebula with a magnitude of 8.0, 1600 light-years from Earth.

Photos of Cetus

I have no photos of Cetus 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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