Galaxy Triplet in Draco NGC 5981, 5982 & 5985
Imaged from Nova Scotia, Spring 2018
LRGB Combination
Data
Altitude at culmination 75°
Minimum Airmass Value (sec z) 1.0
Mean FWHM 2.7arc-s
Taking Camera SBIG STL-11002XM
Nova Scotia Winter/Spring, 2018, ~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/Lodestar X-2
LRGB Total Integration Time 12hrs10mins
L 21X10min, R-16x10 min, G-18x10 min, B-18x10 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
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