December Constellations In The Night Sky With Star Map

December Star Map
December Star Map

The December night sky is excellent for viewing the rising winter constellations here in the northern hemisphere. The air is relatively clear and some of the best constellations become visible. This month we are going to focus on Eridanus, Cetus and Triangulum.

Eridanus is a long, winding constellation. You can find Eridanus by looking for the constellation Orion. Eridanus starts at Orion’s left foot and winds south past Taurus and ends near Hydrus.

Cetus
Cetus

Cetus, also known as the whale, is located in a section of the night sky called the Water. It is accompanied by other water related constellations including Aquarius, Pisces, and Eridanus. The most notable star in Cetus is Mira – which was the first variable start to be discovered. Cetus has no stars brighter than 2nd magnitude so it is a bit more difficult to find.

Triangulum is a small constellation that is the shape – surprisingly enough – of a triangle! An isosceles triangle to be precise. I wanted to point out Triangulum this month because this constellation was one of the original 48 constellations identified by the ancient astronomer Ptolemy. In addition, Triangulum is the home of the Triangulum Galaxy (M33) which is a distant member of the Local Group of Galaxies. This galaxy has a magnitude of 5.8, so you should be able to see it with the naked eye. Triangulum can be found to the right of the Pleiades.

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15 comments on “December Constellations In The Night Sky With Star Map”

  1. we found 7 consternations and the north star in the night sky on (February 12Th 2011)
    we found : Ursa Major, Ursa Miner, Orions Belt, Orion,
    The Plow, Cassiopeia, Leo. those are all the consternations we found (Liam is 11 and Oliver is 10)

  2. ::::::HEHEHEHEHHE::::I love 2 see all the constellations every nyt!!!:::::hahahah::::SANA NGAH!!!:::xuh!!!!!

  3. I am very in that looking up above my home is orion,big dipper ,pole star, ect ect. Jan 01 02 03 04 vis very poor heavy cloud cover, Co Antrim Northern Ireland.

  4. I LIKE TO STUDY THE NIGHT SKY . IN THE FUTURE I WWILL BECOME A ASTRONAUT

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