The "37" Asterism in NGC 2169 - Orion

Imaged from Nova Scotia, Winter,2021

 

RGB Combination

Data
Altitude at culmination 59°
Minimum Airmass Value (sec z) 1.2
Mean FWHM 2.7 arc-s
Taking Camera SBIG STL-11002XM Nova Scotia Winter 2021, skies ~mag 6.6 - CCD @ -20C
Imaging OTA AGO 14.5" iDK
Equivalent focal length and ratio 2465mm @ f/6.7
Mount Astro-Physics 1600GTO
Guiding PHD2/ONAG/Lodestar X-2
RGB Total Integration Time 2hrs 15mins R-9x5min G-9x5min B-9x5min, Astrodon Gen 2 I series Filters. All Binned 1X1
Acquisition Main Sequence Software-Sequence Generator Pro
Calibration and Stacking Darks, Flats and Bias - Stacked and calibrated with PixInsight
Processed PixInsight, Affinity Photo v.1.9 and Bob Franke's CCDBand-Aid

 

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