M51 - Whirlpool Galaxy

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: 7 Aprile 2011 Location: Pragelato (Torino) - Alps - Italy

•Exposure Details: L:R:G:B => 240:50:40:50 = > (24x10):(5x10):(4x10):(5x10) All Bin1 [num x minutes]

•Cooling Details: -20 °C

•Acquisition: Maxim DL/CCD, Perseus

•Processing: CCDStack2, PS CS2, GradientXTerminator

•Mean FWHM: 2.40 / 3.22 "

•SQM-L: 21.24

 

Done