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NGC 7817 (Galaxy)
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Right ascension: 23h 21m
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Declination: 8° 15'
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Constellation: Pegasus
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Date/time: 2014.09.29 23:10 UT
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Equipment: 12" f/5 Newtonian
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FoV: 24'
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Magnification and filter(s): 167x
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Seeing: 4/10
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Transparency: 3/5
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SQM: 21.43 m/as2
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Temperature: 5°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: 3 - moderately visible, dark adaptation needed, averted vision might add to details
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Position: 3 - moderate, some starhopping needed
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Location: Nádasdladány, Hungary
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Observer: Ferenc Lovró
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Description:
Faint but instantly visible, almond-shaped galaxy. Doesn't reveal details, has a perfectly regular shape. Its core is not brighter than the rest of the surface. It doesn't grow with averted vision, however it displays a contour with much higher contrast when using this observing technique. Located in an interesting stellar environment. The star located to its West is a faint 14.8m one.
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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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