NGC 7331 (Peg)

 

Technical data:    This image was done in cooperation with the Capella-Obseratory team and using their 24"f/8-Cassegrain telescope located in Crete/Greece

                           SBIG STL11000 with Custom Scientific-Filterset

                           LRGB exposure time in total: 9 h  (L=17x900s; R=5x900s; G=5x900s; B=4x900s; all unbinned)

                           FWHM of this image is 1,25" in the summed luminance file

                           Authors: Volker Wendel, Stefan Binnewies, Josef Pöpsel

                           Click HERE to get a higher resolved view of NGC7331

 

 

Older image from some years ago, done in our backyard:

ngc7331.jpg (192143 Byte)

Technical data:    16"f/8-Hypergraph for Luminance and a 15"f/8 Newtonian for color channels

                           SBIG ST10XME, CFW8 and AO7

                           LRGB (L=12x900s; R=3x600s; G=3x600s; B=9x900s; RGB bin2

                           Comments: raw FWHM for L-channel 2,2"

                           Authors: Bernd Flach-Wilken & Volker Wendel

 

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