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 Stephenson 1 

Full Resolution 1566 x 1040

Optics: GSO RC 8" F/8 1624mm. - Astrograph Ritchie-Chrétien
Mount: N-EQ6 SW
Camera: Canon 40D Baader Modded
Filters: Any
Guiding Systems: ATIK 16IC on Pentax 75 SDHF with Barlow 2x @ F13.4 1000mm.
Dates/Times: 29 June 2009
Location: Pragelato - Turin - Italy
Exposure Details: RGB => 18 = > (9x2) [num x minutes]
Cooling Details: No Cooling, Air at 9°C
Acquisition: Maxim DL/CCD, Perseus
Processing: DSS, Maxim DL/CCD