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.

C
amera:    Atik 428EX
Filters:        LRGB Baader

Mount:      SW AZEQ-5
Guider:       Lacerta MGEN

Exposure:  33x5 min. (L)
                       10
x5 min. (R, G, B each), bin 2x2
Software:  PixInsight, Photoshop
31.8. 2016

 

Back to galaxies

 

 A Flashback: Just for interest, on the left is my first image of the galaxy NGC 7331 and Stephan Quintet  from September 2013, and on the right is a later version (a composite of two individual images of these objects) from 2016.
Telescope
APM Apo 107/700, Canon 5D M2, exposure 21x5 min./ISO800.

NGC7331 and Stephan's quintet