• Coma Berenices Galaxy Cluster
    • Coma Cluster
    Annotated image
  • The Coma Cluster, Abell 1656, is part of the Coma Supercluster.
  • Hover over the image for an annotated view.
  • Press and hold the shift key down for a starless version.
  • Date:  27 April 2025
  • FOV:  approximately 1° 45' × 1° 10'
  • Telescope:  Stellarvue SVX102T + SFFX-1 flattener (714mm, f/7)
  • Guiding:  ZWO ASI120MM mini mono guide camera,
  • Stellarvue F050G 50mm guide scope
  • Computer:  ASIair pro Raspberry Pi
  • Mount:  iOptron CEM40
  • Camera:  ZWO ASI6200MC Pro Cooled (-10°C) Color CMOS
  • Pixel size:  3.76 μm
  • Resolution:  1.053 arcsec/pixel
  • Filter:  Optolong UV/IR cut
  • Stacking:  eighty-six 240 second frames using Pixinsight
  • Total Time:  5 hours and 44 minutes
  • Calibration:  20 flats, 20 dark flats, and 20 darks
  • Processing:  Pixinsight – SPCC, DBE, SPCC, BlurXT, NoiseXT → Linear
  • HTS, GHS, MStr, PixelMath MStr + GHS + HST → Stars,
  • Linear, StarXT, HTS, GHS, MStr,
  • PixelMath MStr + GHS + HST → Starless, HDRMST64PhLm
  • PixelMath ~(~Starless*~Stars) → Blend, Sat, DynCrop/Scale
  • Location:  Stony Creek State Boat Launch near Henderson, NY