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Struve 2280 (Binary star)
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Also known as: 100 Herculis, 100 Her
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Right ascension: 18h 8m
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Declination: 26° 6'
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Constellation: Hercules
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Date/time: 2009.09.05 19:00 UT
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Equipment: 12" f/5 Newtonian
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FoV: 14'
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Magnification and filter(s): 167x
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Seeing: 5/10
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Transparency: 3/5
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Location: Nádasdladány, Hungary
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Observer: Ferenc Lovró
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Description:
Wide pair, nearly identical in colour and brightness, although the component A looks a little bit brighter. They are both a little bit bluish, sometimes I even detect a little orange in component B. A: 5.9m, B: 6.0m, A-B: 14", PA: 183°.
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Hi-resolution image: [ reversed sketch | original sketch ]
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