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M57 from Portland Downtown (Bortle 8)

This is my first shot of 2012 & first OSC processing in Pixinsight.

Location: Portland Downtown, Bortle 8
Sky Conditions: Clear with full moon
Total Exposure: 5.75 hours. 138subsx150seconds over 3 nights
Adquisition: MaximDL
Focus: FocusMax
Guiding: ST80+SSAG+MaximDL+EQMOD+PEC
Processing: Pixinsight + PS4 + Astrotools
Mount/Telescope Equipment: HEQ5 Pro + Orion Mak 1800mm
Imaging: QHY8L CCD


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