NGC4559 in Coma Berenices

Imaged from Nova Scotia, Spring 2021

Wikipedia Link

 

LRGB Combination

Data
Altitude at culmination 73°
Minimum Airmass Value (sec z) 1.0
Mean FWHM 2.2 arc-s
Taking Camera SBIG STL-11002XM Nova Scotia Spring 2021, skies ~mag 6.6 - CCD @ -20C
Imaging OTA AGO 14.5" iDK
Equivalent focal length and ratio 2465mm @ f/6.7
Mount Astro-Physics 1600GTO
Guiding PHD2/ONAG/Lodestar X-2
LRGB Total Integration Time 9hrs 30mins L15x10 R15x10 min, G15x10 min, B12x10 min, Astrodon Gen 2 I series Filters. All 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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