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 M100 to Markarian's Chain 
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Full Resolution ANNOTATED

Optics: Takahashi FSQ-106EDXIII F/3.6 383mm. - APO Refractor
Mount: AP Mach1 GTO
Camera: Canon 5D MkII - Baader Mod
Filters: OSC
Guiding Systems: Tecnosky 60/228 Guide Scope- SX Lodestar
Dates/Times: 21 December 2014
Location: Pragelato - Turin - Italy
Exposure Details: OSC => 130 = > (26x5) ISO 1600 [num x minutes]
Cooling Details: Ambient -4C
Acquisition: BackyardEOS, TheSkyX
Processing: PixInsight, PS CS5
Mean FWHM: 3.15
SQM-L: 20.98 / 21.11