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Messier Objects

Messier M40 - Winecke 4

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M40, also known as the Winecke 4, is located in the constellation Ursa Major, and is best viewed during Early Spring. The naked eye can see magnitude 6 objects (up to magnitude 8 under ideal dark sky conditions). For reference, the full moon is 30' (arc minutes) in size, or 1/2°.

      1. Name:
      2. Winecke 4
      1. Type:
      2. Double Star
      1. NGC:
      2. 7092
      1. Magnitude:
      2. 9
      1. Size:
      2. 0.8'
      1. RA:
      2. 12h 20.0m
      1. Dec:
      2. 58 22'
      1. Season:
      2. Early Spring

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