• The California Nebula
  • California Nebula
    Annotated image
  • NGC 1499 in Perseus
  • Hover over the picture for an annotated version
  • Date:  20 September 2023
  • FOV:  Apporoximately 4° 23' × 2° 55'
  • Telescope:  Askar FRA300 pro (300mm f/5 Petzval)
  • Guiding:  ZWO ASI120MM mini mono guide camera,
  • SVBony SV165 Mini 40mm f/4 guide scope
  • Computer:  ASIair pro Raspberry Pi
  • Mount:  ZWO AM5 mount
  • Camera:  ZWO ASI071MC Pro Cooled (-10°C) Color CMOS
  • Pixel size:  4.78 μm
  • Resolution:  3.304 arcsec/pixel
  • Frames:3 Feb 2482 × 240 seconds × 100 gain
  • Filter:  Optolong L-eNhanced 2" Light Pollution Dual Band Filter
  • Stacking:  Eighty-two 240 second frames using Pixinsight
  • Calibration frames:  20 dark, 20 flat, 20 dark flats
  • Total Time:  5 hours and 28 minutes
  • Processing:  Pixinsight – SPCC, DBE, SPCC, BlurXT, NoiseXT, HST, GHS, MStr,
  • PMath add MStr, GHS, HST, StarXT, Stars and Starless,
  • Stars Sat, Starless HDR8, PMath blend, Scale
  • Location:  Cherry Springs State Park near Coudersport, PA