NGC 770 + NGC 772 (Galaxy)
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Right ascension: 2h 0m
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Declination: 19° 4'
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Constellation: Aries
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Date/time: 2010.10.14 23:00 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: 3/10
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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:
At first its a rather heavy sight, NGC 772 seem to be spinning around its centre, hard to catch its real shape. Later as my eye gets used to the view, the galaxy settles in its actual form. Suddenly something even fainter appears above NGC 772 to the SW, first as a fuzzy star, then as time goes it starts to grow and become the tiny little galaxy of NGC 770. Near the end of my sketching session NGC 772 starts to show some details: first it seems that it has some dense part to the North. A bit later it turns obvious that it's one large spiral arm. A really challenging pair! SQM reading: 21.12 m/arcsec2, 3°C, light wind, almost dry air.
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Hi-resolution image: [ reversed sketch | original sketch ]
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