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Messier M43 - de Mairan's Nebula

M43 (NGC 1982), also known as the de Mairan's Nebula, is a Diffuse Nebula located in the constellation Orion, is best viewed during Winter, and is magnitude 7. The naked eye can see magnitude 6 objects (magnitude 8 under ideal dark sky conditions). It is 20.0x15.0' in size. For reference, the full moon is 30' (arc minutes) in size, or 1/2°.

      1. Name:
      2. de Mairan's Nebula
      1. Type:
      2. Diffuse Nebula
      1. NGC:
      2. 1982
      1. Magnitude:
      2. 7
      1. Size:
      2. 20.0x15.0'
      1. RA:
      2. 5h 35.5m
      1. Dec:
      2. -5 16'
      1. Season:
      2. Winter

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