![NGC 2023](https://astrophotography.pekdar.net/wp-content/uploads/2021/08/B33-s1s1RTL94s2-LNC47-2scale-final-crop-cbg-crop-St.v1.1.NGC2023.crop_.v1.0-768x551.png)
NGC 2023 – Emission and Reflection Nebula
The diameter is 4 light years. It surrounds the young massive star HD 37903 of spectral type B2 Ve. The energy of this star illuminates the nebula of molecular hydrogen, which emits near-infrared wavelengths and relatively high surface brightness. New stars are forming in the material from which the NGC