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 NGC7331 and Beyond 




NGC7337
NGC7335/7336
NGC7340
NGC7325/PGC69281/??

Inverted View


Optics: GSO RC 10" F8 2000mm - Astrograph Ritchie-Chrétien
Mount: AP Mach1 GTO on Gemini Q-Lock tripod
Camera: ATIK 4000LE with SX USB Filter Wheel
Filters: Baader LRGB 2"
Guiding Systems: SXV-AO-LF Active Optics - SX Lodestar
Dates/Times: 29 July - 1/5/27/29 August 2011
Location: Pragelato - Turin - Italy
Exposure Details: L:R:G:B => 315:105:90:135 = > (21x15):(7x15):(6x15):(9x15) Color Bin2 [num x minutes]
Cooling Details: -20 °C
Acquisition: Maxim DL/CCD, Perseus
Processing: CCDStack2, PixInsight, PS CS2
Mean FWHM: 1.68 / 2.21 "
SQM-L: 21.13 / 21.31