Astrophotography by Leonardo Orazi
 
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 NGC6520 Open Cluster And B86 

Mid Resolution 1503 x 1503

Full Resolution 2031 x 2031

Optics: GSO RC 8" F/8 1624mm. - 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: ATIK 16IC on Pentax 75 APO @ F13.4 1000mm.
Dates/Times: 8/15 Luglio 2010
Location: "La Balma" - Prato Nevoso - Cuneo - Italy
Exposure Details: L:R:G:B => 55:14:14:14 = > (11x5):(4x3.5)bin2:(4x3.5)bin2:(4x3.5)bin2: [num x minutes]
Cooling Details: -15 °C
Acquisition: Maxim DL/CCD, Perseus
Processing: Maxim DL/CCD, PS with Noel Action, GradientXRemove

 
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