Coma Cluster (Abell 1656) - cluster of galaxies in Coma Berenices



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Date: 27 Feb, 1/2/3 Mar 2025
Location: Tenterden, Kent
Exposure: 354 x 2min over 4 nights - a total of over 11 hours
Telescope: Takahashi Epsilon 180ED on Skywatcher EQ6 mount
Camera: Altair Astro AA24CFX
Guiding: Nikkor 300mm lens with Altair Astro GP290M camera.
Filters: Camera internal IR/UV cut filter
Processing: Stacked in PixInsight, white balanced with SPCC, colour correction matrix applied and stretched with Arcsinh Stretch (to preserve hue and saturation) then sRGB gamma curve applied

Comments: The annotated version shows a total of 1384 labeled galaxies from the PGC (Principal Galaxies Catalogue) catalogue. There are additional "faint fuzzies" in the image so 1384 is an underestimate.