• C9 in Cepheus, the Cave Nebula
    • C9 in Cepheus, the Cave Nebula
    C9 in Cepheus
  • C9, the Cave Nebula in Cepheus.
  • Hover over the picture for an annotated version
  • Date:  25 and 31 July 2022
  • FOV:  approximately 110' × 73'
  • 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 ASI071MC Pro Cooled (-10°C) Color CMOS with gain 240
  • Filter:  Baader Light Pollution Moonglow filter with IR cut (15 frames, 90 gain)
  • and Optolong L-eNhance narrow dual band (79 frames, 240 gain)
  • Stacking:  Seventy-nine 240 second frames, (25 and 31 July) and
  • Fifteen 240 second frames, (31 July) using Deep Sky Stacker
  • Total Time:  6 hours 16 minutes
  • Processing:  Pixinsight – SPCC, DBE, SPCC, BlurXT, NoiseXT, MStr, GHS, HST,
  • PMath MStr + GHS + HST, Sat, Scale
  • Location:  Canandaiguq/Rochester KOA near Farmington, NY (25 July)
  • and Darling Hill Observatory near Vesper, NY (31 July)