WDS H 4 113 (TVICS)
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Also known as: Ward 1, WDS H4 113, HIP 103822
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Right ascension: 21h 3m
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Declination: 39° 34'
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Constellation: Cygnus
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Date/time: 2012.08.16 0:00 UT
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Equipment: 12" f/5 Newtonian
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FoV: 11'
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Magnification and filter(s): 250x
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Seeing: 7/10
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Transparency: 3/5
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SQM: 21.19 m/as2
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Temperature: 9°C
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Humidity: low
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Wind: none
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Sight: 3 - definite details, interesting look
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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: Nádasdladány, Hungary
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Observer: Ferenc Lovró
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Description:
A very nice, colour contrasted binary. Not really tight. The primary member (A) is intense golden yellow while the secondary member (B) is blue with a tint of purple. In fact, this is not simply a binary of two stars, but I found out later while doing a research on this object that many of the other stars on this sketch are connected to the primary (as described in this document).
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Hi-resolution image: [ reversed sketch | original sketch ]
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