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Large and bright spiral galaxy
NGC7331 (surprisingly
overlooked by Charles Messier) is located.about 45 MLY away
in the constellation Pegasus. Surprisingly, the background
galaxies (seemingly small neighbours of 7331) lie in fact
much farther, about 300-350 MLY..
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Optics:
NoName Newton 192/800
+GPU c.c.
Camera:
Atik 428EX
Filters:
LRGB Baader
Mount:
SW AZEQ-5
Guider:
Lacerta MGEN
Exposure:
33x5
min. (L)
10x5 min. (R, G, B each), bin 2x2
Software: PixInsight, Photoshop
31.8. 2016
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