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 NGC 3359 

CloseUp on Galaxy

The External Pair of Faint Arms



Luminance


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: 6/9 Marzo 2011
Location: Pragelato (Torino) - Alps - Italy
Exposure Details: L:R:G:B => 390:20:20:20 = > (26x15)bin1:(2x10)bin2:(2x10)bin2:(2x10)bin2 [num x minutes]
Cooling Details: -20 °C
Acquisition: Maxim DL/CCD, Perseus
Processing: CCDStack2, PS CS2, GradientXTerminator
Mean FWHM: 2.24"
SQM-L: 21.24