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 M37 Open Star Cluster 

Full Resolution 1390 x 1038

Optics: GSO RC 8" F/8 1624mm. - Astrograph Ritchie-Chrétien
Mount: AP Mach1 GTO on Gemini Q-Lock tripod
Camera: ATIK 314L+ with ATIK USB Filter Wheel
Filters: Astronomik LRGB Type II
Guiding Systems: ATIK 16IC on Pentax 75 SDHF @ F6.7 500mm.
Dates/Times: 13 march 2010
Location: Angrogna - Turin - Italy
Exposure Details: L:R:G:B => 60:12.5:10:25 = > (12x5):(5x2.5 bin 2):(4x2.5 bin 2):(10x2.5 bin 2) [num x minutes]
Cooling Details: -25 °C
Acquisition: Maxim DL/CCD, Perseus
Processing: DSS, Maxim DL/CCD