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NGC 2023

Nebula
NGC 2023 is an emission and reflection nebula in the equatorial constellation of Orion. It was discovered by the German-born astronomer William Herschel on 6 January 1785. This reflection nebula is one of the largest in the sky, with a size of 10... Wikipedia
Apparent dimensions (V): 10'×10'
Distance: 1,300 ly (400 pc) ly