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NGC 637 (Open cluster)
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Right ascension: 1h 44m
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Declination: 64° 6'
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Constellation: Cassiopeia
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Date/time: 2012.11.03 19:45 UT
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Equipment: 4.5" f/8 Newtonian
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FoV: 21'
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Magnification and filter(s): 180x
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Seeing: 8/10
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Transparency: 2/5
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SQM: 20.06 m/as2
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Temperature: 13°C
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Humidity: low
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Wind: none
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Sight: 2 - minor details, somewhat interesting
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Difficulty: 2 - easily visible, some dark adaptation needed, averted vision might add to details
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Position: 2 - easy, bright star nearby
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Location: Lipótfa, Zselic, Hungary
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Observer: Ferenc Lovró
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Description:
Tiny little open cluster, compact but sparsely populated. I assume that only 8 of the stars in the FoV are the members of this OC. The full moonjust below my horizon is quickly ruining the sky background, worth taking a look under more favorable conditions, because I suspect that what I see is only a minor part of what I could really observe with this scope.
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Hi-resolution image: [ reversed sketch | original sketch ]
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gmail*com.
ikonra kattintva magyarul is olvashatod az észlelést.
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