NGC 2023

10'x10 '

NGC 2023, LBN 954, VDB 52 [ XT95 ] 6, GN 05.39.1.02, RAFGL 806 [ NYS99 ] C -23, IRAS 05391-0217, RX J0541.8 - 0217, [ RK68 ] 38

The reflection and emission nebula NGC 2023 lies in the constellation Orion. The nebula is about 1,500 light -years away and has an area of ​​4 light years.

From Earth, he is considered one of the brightest sources of excited molecular hydrogen; Due to its size and proximity with the seemingly greatest extent. The nebula is excited by a B star (HD 37903 ), the brightest member of a young star clusters shine. The mist itself is part of the much -larger molecular cloud Barnard 33 and Lynds 1630, which is also the lying near Horsehead Nebula.

Full List

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Swelling

• Orion ( constellation )