NGC 2023 is an emission and reflection nebula located in the constellation of Orion. It was discovered by William Herschel on 6 January 1785. Its size in the night sky is 10 × 10 arcminutes. At a distance of 1467 light-years from Earth, it is located close to the Horsehead and Flame Nebula.

Constellation: Orion

Apparent dimensions (V): 10'×10'