NGC246, a.k.a. "The Skull Nebula" and NGC 255 in Cetus
Imaged from Nova Scotia, Fall, 2021
HaRGB Combination
Data
Taking Camera SBIG STL11002M
Nova Scotia, Fall 2021 ~mag 6.4 @-20C
Imaging OTA
AGO iDK 14.5"
Equivalent focal length and ratio
2485 @f/6.7
Mount
AP1600
Guiding
PHD2/ONAG/Lodestar X2
HaRGB Combination - Total Integration Time 9hrs 30mins
Ha-7x30min, R12x10min, G-12x10min, B12x10min-Astrodon Gen 2 I series RGB and 5nm Ha Filters. All Binned 1X1
Calibration and Stacking
Darks,Flats and Bias - PixInsight
Reprocessed Mar 2023
PixInsight, Affinity Photo v.2.04 and Bob Franke's CCDBand-Aid
Annotated
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