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NGC 6539 (Globular cluster)
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Right ascension: 18h 05m
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Declination: -7° 35'
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Constellation: Ophiuchus
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Date/time: 2009.06.18 22:30 UT
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Equipment: 12" f/5 Newtonian
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FoV: 22'
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Magnification and filter(s): 167x
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Seeing: 7/10
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Transparency: 4/5
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Location: Nádasdladány, Hungary
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Observer: Ferenc Lovró
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Description:
Perfectly symmetrical, sphere-like globular cluster. Cannot resolve it at all. It's a bit fainter than the nearby NGC 6517, yet it's fairly larger than that. It's located in a field that's very sparsely populated by stars, this makes finding and following it a real adventure.
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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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