• M46, M47, and NGC 2423 in Puppis
    • M44
    Annotated image
  • Open clusters M46, M47, and NGC 2423 in Puppis.
  • M46 with planetary nebula NGC 2438 is at the left in the photo,
  • M47 is at the bottom right, and NGC 2423 is at the top right.
  • Hover over the image for an annotated view.
  • Date:  17 March 2022
  • FOV:  approximately 110' × 73'; M46 is approximately 23'
  • Telescope:  Stellarvue SVX102T + SFFR.74 reducer (535mm, f/5.25)
  • 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 90
  • Filter:  Baader Light Pollution Moonglow filter with IR cut
  • Stacking:  Twenty-six 180 second frames using Deep Sky Stacker
  • Total Time:  1 hour 18 minutes
  • Processing:  Pixinsight – SPCC, DBE, SPCC, BlurXT, NoiseXT,
  • GHS, HST, MStr, PMath MStr + GHS + HST, Sat, Scale
  • Location:  my driveway in DeWitt, NY