The Spider and The Fly Nebula IC417 and NGC1931 - in Auriga
Imaged from Nova Scotia, Fall, 2014
HaRGB Combination
Data
Altitude at culmination 80°
Airmass Value (sec z) 1.1
Mean FWHM 1.8 a-s
Taking Camera SBIG STL-11002XM
Nova Scotia Fall 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 26hrs 40mins
Ha 13X30min, R41x10 min, G-40x10 min, B40x10 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 and Bob Franke's CCDBand-Aid
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