Astrodvorek Kamenne Zehrovice

NGC 7331

NGC7331 

 

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..

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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Memory: For interest my first picture of NGC 7331 and Stephan's quintet from Sept. 2013 with refractor and DSLR.
 Taken with APM Apo 107/700, Canon 5D MII mod., exposure was 21x5 min./ISO800 .