• Comet C/2022 E3 (ZTF) in Boötes
    • C/2022 E3 (ZTF)
  • Comet C/2022 E3 (ZTF) in Boötes
  • reached perihelion on January 12, 2023.
  • The short, broad, dust tail appears above the comet
  • and the thin, straight, ion tail streaks to the upper right.
  • Date:  15 January 2023
  • FOV:  approximately 4.5° × 3°; about 2° of the ion tail is visible
  • Telescope:  Askar FRA300 pro (300mm f/5 Petzval)
  • Guiding:  ZWO ASI120MM mini mono guide camera,
  • ZWO 30F4 30mm mini 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:  Fifteen 240 second frames, stars and comet aligned
  • separately using Deep Sky Stacker
  • Total Time:  1 hour
  • Processing:  GIMP – Levels, Curves, Saturation, Color Balance using Levels,
  • Brightness-Contrast, and star dimming using Value Propagate
  • Location:  Selkirk Shores near Pulaski, NY