The Trifid Nebula M20 - in Sagittarius
Imaged from Nova Scotia, Summer 2014
HaRGB Combination
Data
Altitude at culmination 23°
Minimum Airmass Value (sec z) 2.6
Taking Camera SBIG STL-11002XM
Nova Scotia Summer 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 Total Integration Time 10hr50min
Ha 10X30min, R12x10 min, G-11x10 min, B12x10 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
Reprocessed Feb 2023
PixInsight, Affinity Photo v.2.04
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