NGC4536 and NGC 4527 in Virgo
Imaged from Nova Scotia, Spring, 2022
LRGB Combination
Data
Altitude at culmination 47°
Minimum Airmass Value (sec z) 1.4
Taking Camera SBIG STL-11002XM
Nova Scotia spring 2022, 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 14 hrs 30 mins
L 33X10min, R18x10 min, G18x10 min, B18x10 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
These two galaxies are located 28.5 arc minutes from the each other or slightly less than the diameter of a full moon.
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