• NGC 6822 in Sagittarius, Barnard's Galaxy
  • NGC 6822 in Sagittarius, Barnard's Galaxy
    Annotated image
  • NGC 6822 is a barred irregular galaxy in the
  • constellation Sagittarius.  The blue-green
  • object just above and left of center is
  • the Little Gem Nebula, NGC 6818.
  • Hover over the picture for an annotated version
  • Date:  21 and 22 July 2022
  • FOV:  approximately to 108' × 72'; the angular size of NGC 6822 is about 15.5' × 13.5'
  • 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
  • Stacking:  Forty-eight 240 second frames using Deep Sky Stacker
  • Total Time:  3 hours 12 minutes
  • Processing:  Pixinsight – SPCC, DBE, BlurXT, NoiseXT, MStr, GHS, HST,
  • PixelMath MStr + GHS + HST, HDR5, Bkg, StarXT,
  • Bill Blanshan Star Reduction, Sat, Scale
  • Location:  Darling Hill Observatory in Vesper, NY