The Pacman Nebula.

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NGC 281 is an H II region, located about 9,200 light years from Earth in the constellation of Cassiopeia. It is also known as the Pacman Nebula for its resemblance to the video game character. It includes an open cluster IC 1590 and the multiple star HD 5005.

The nebula was discovered in August 1883 by E. E. Barnard, who described it as "a large faint nebula, very diffuse." The multiple star HD 5005, also called beta1, was discovered by S. W. Burnham. It consists of an 8th-magnitude primary with four companions at distances between 1.4 and 15.7 seconds of arc. 

article reference :- wikipedia

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