Corona Australis molecular cloud

Image:

Click for full image

Equipment:

  • Nikon D90 (Astro-Mod)
  • Sky-Watcher Star Adventurer
  • Sky-Watcher Tripod
  • Rokinon 135mm f2
  • Bahintov Mask
  • Intervalometer
  • Laptop
  • All Sky Plate Solver
  • Sharpcap
  • Stellarium

Acquisition:

  • Taken 6/20/2021 from Sharon CT
  • Taken from a bortle class 2 zone
  • Iso 800, F4.0
  • 82x 3″ light frames – total 4.1 hours
  • 15 dark frames
  • 83 flat frames
  • 128 bias frames

Processing:

  • Manually stacked in pixinsight
  • Crop to remove stacking artifacts
  • Image solver
  • DBE
  • Photometric Color Calibration
  • Noise Reduction (TGV + MMT)
  • HSV reparation
  • Masked stretch
  • Masked histogram stretch
  • curves
  • Star reduction

Annotated Image:

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