The Propeller Nebula (DWB111/Simeis-57) in Cygnus

Imaged from Nova Scotia, Fall, 2014

 

 

 

 

 

 

HaRGB Combination
Data
Altitude at culmination 85
Airmass Value (sec z) 1.0
Taking Camera SBIG STL-11002XM Nova Scotia Fall 2014, ~mag 6.4 - @-20C
Imaging OTA Takahashi TOA-150 with TOA-67 Field Flattener
Equivalent focal length and ratio 1090mm f/7.3
Mount Astro-Physics 1600GTO
Guiding PHD2/MMOAG/SBIG ST-i
HaRGB Ha 9X30min, R8x10 min, G-8x10 min, B8x10 min-Astrodon Gen 2 I series and 5nm Ha Filters. Binned 1X1
Acquisition Main Sequence Software-Sequence Generator Pro
Calibration and Stacking Darks, Flats and Bias - Stacked and calibrated with PixInsight
Processed PixInsight, Adobe Photoshop CS5 and Bob Franke's CCDBand-Aid

 

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