• IC 59 and IC 63 in Cassiopeia
    • IC 59 and IC 63 in Cassiopeia
    Annotated image
  • IC 59 and IC 63 are the Gamma Cassiopeiae Nebulae.
  • They are part emission and part reflection nebulae
  • and commonly called the Ghosts of Cassiopeia.
  • The nebulae are powered by the bright star Navi.
  • Hover over the image for an annotated view.
  • Date:  18 August and 19 September 2025
  • FOV:  cropped to 75' × 50'
  • Rotation:  −179.980°
  • Telescope:  Celestron C14 SCT (3910mm, f/11)
  • Starizona HyperStar (731.43mm, f/1.9)
  • Guiding:  ZWO183 MM pro
  • Computer:  ASIair plus 256GB
  • Mount:  iOptron CEM120
  • Camera:  ZWO ASI2600 MC Duo Cooled (0°C) Color CMOS gain 100
  • Pixel size:  3.76 μm
  • Resolution:  1.058 arcsec/pixel
  • Filter:  Optolong UV/IR cut
  • Frames:  forty-three 300 second subs
  • Total Time:  3 hours and 35 minutes
  • Calibration:  20 flats, 20 dark flats, and 20 darks per session
  • Processing:  Pixinsight – MGC, DBE, SPCC, BlurXT, NoiseXT → Linear
  • MStr, GHS, HST, PMath MStr + GHS + HST → stars
  • StarXT, MStr, GHS, HST, PMath MStr + GHS + HST → starless
  • PMath ~(~Stars*~Starless) → Blend, scale
  • Location:  Darling Hill Observatory near Vesper, NY