NGC7023

Rancho Del Sol Observatory · Camino, California

NGC7023 by Ken Crawford

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Image Equipment Details

  • RCOS 20" carbon truss - 100mm FFC
  • Paramount ME
  • Apogee Alta u9000
  • SBIG ST402 Guider
  • Astrodon MegaMoag
  • Astrodon 50mm Sq Filters

Exposure Details

  • Clear/ Lum = 180 minutes
  • Red = 240 minutes
  • Green = 240 minutes
  • Blue = 240 minutes
  • Ha 5nm = 0 minutes
  • Red Cont. = 0 minutes
  • SII 5nm = 0 minutes

Software Used

  • MaxDL 5
  • CCDAutopilot 4
  • CCDStack
  • Photoshop CS6

About this image


NGC7023 is found in the constellation Cepheus and is also known as the Iris Nebula. The hot central star is providing the power to reflect the blue light off of the nebula's dusty regions. The reddish areas around the core is converted UV energy into red visible light.

Full Size Image

NGC7023 (Caldwell 4) core details.

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These images may be used for personal or educational use without contacting me. But, these images and this website are Copyright © Ken Crawford. If you are a publisher and would like a full resolution link to this or other images please contact Ken Crawford.