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.
- 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
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One of the constellations of the zodiac known as "the twins". It is part of the winter sky, lying between Taurus to the west and the dim Cancer to the east, with Auriga and the near-invisible Lynx to the north and Monoceros and Canis Minor to the south. The Gemini program is named for it.
It contains many interesting nebulae and star clusters. NGC 2158 is just southeast of M35. Also of note is the unique Eskimo Nebula, (also known as the Clownface Nebula) just southeast of the NGC 2420 open star cluster. Far northeast of this cluster lies NGC 2371, a planetary nebula next to the Gemini twin on the right.
This constellation is easily recognizable as two parallel stick figures and it was associated with the myth of Castor and Pollux. The myth of these twins concerns cattle theft, and may be connected to early views of the Milky Way, as a herd of dairy cows or cattle, by which they are situated.
Notable Objects in Gemini
Since the sky area of Gemini is directed away from the Milky Way, there are comparatively few deep-sky objects of note.
M35 (NGC 2168) is a large, elongated open cluster of magnitude 5.
The Eskimo Nebula or Clown Face Nebula (NGC 2392) is a planetary nebula with an overall magnitude of 9.2
The Medusa Nebula is another planetary nebula, some 1,500 light years distant.
Photos of Gemini
I have no photos of Gemini yet.
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
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