Sh2-170 - The "Little Rosette" in Cassiopeia
Imaged from Nova Scotia, Summer, 2023
HaRGB Combination
Data
Altitude at culmination 70°
Airmass Value (sec z) 1.2
Taking Camera SBIG STL-11002XM
Nova Scotia Summer, 2023, ~mag 6.4 - @-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/Ultrastar
HaRGB Total Integration Time 16hrs 30mins
Ha-12X30min, R21x10 min, G-21x10 min, B21x10 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 Jan 2023
PixInsight, Affinity Photo v2.1.1 and Bob Franke's CCDBand-Aid
Ha Data
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