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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:
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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