NGC 247 and Burbidge's Chain in Cetus
Imaged from Nova Scotia, Fall 2020
LRGB Combination
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Data
Altitude at culmination 25°
Airmass Value (sec z) 2.4
Taking Camera SBIG STL-11002XM
Nova Scotia Fall 2020, Sky ~mag 6.4 - CCD @-20C
Imaging OTA
AG Optics iDK 14.5"
Equivalent focal length and ratio
2465mm f/6.7
Mount
Astro-Physics 1600GTO
Guiding
PHD2/ONAG-XM/Lodestar X2
LRGB Total Integration Time 7hrs 10mins
L-16X10 min R9X10 min, G-9X10 min, B9X10 min-Astrodon Gen 2 I series Filters. Binned 1X1
Acquisition
Main Sequence Software-Sequence Generator Pro
Calibration and Stacking
Darks, Flats and Bias - Stacked and calibrated with PixInsight
Reprocessed Jan 2023
PixInsight, Affinity Photo v.2.03 and Bob Franke's CCDBand-Aid