Asterisms

Northern Cross

The Northern Cross Asterism

The Northern Cross is an astronomical asterism in the northern hemisphere of the celestial sphere, corresponding closely with the constellation Cygnus The Swan. It is much larger than the Southern Cross and consists of the brightest stars in Cygnus, Deneb, Sadr, Gienah, Delta Cygni and Albireo. The ‘head’ of the…

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Orion's Belt

Orion’s Belt Asterism

Orion’s Belt is one of the most familiar asterisms in the night sky, along with the Big Dipper and the Southern Cross. It is formed by three massive, bright stars located in our galaxy, in the direction of…


Summer Triangle Asterisms

Asterisms

An asterism is a popularly known pattern or group of stars that can be seen in the night sky. Although this is very similar to a constellation, asterisk do differ as they are IAU officially recognized area of the sky….


Summer Triangle Asterisms

Summer Triangle

The Summer Triangle is a popularly known pattern or group of stars that can be seen in the night sky in the northern celestial hemisphere to help astronomers find other objects in the sky. The defining vertices of this imaginary triangle can be found…


Winter Hexagon open source software

Winter Hexagon

The Winter Hexagon is an asterism appearing to be in the form of a hexagon with vertices at Rigel, Aldebaran, Capella, Pollux, Procyon, and Sirius. It is mostly upon the Northern Hemisphere’s celestial sphere. On most locations on Earth, this asterism is prominently in the sky from approximately December…


Spring Triangle

Spring Triangle

The Spring Triangle is a popularly known pattern or group of stars that can be seen in the night sky in the northern celestial hemisphere to help astronomers find other objects in the sky. The defining vertices of this imaginary triangle can be found…


Winter Triangle

Winter Triangle

The Winter Triangle is an astronomical asterism, a popularly known pattern or group of stars that can be seen in the night sky, formed from three of the brightest stars in the winter sky. This triangle forms an imaginary equilateral triangle drawn on…