NGC225 VdB4

Rancho Del Sol Observatory · Camino, California

NGC225 VdB4 by Ken Crawford

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Image Equipment Details

  • RCOS 20" carbon truss - 100mm FFC
  • Paramount ME
  • Apogee Alta u16803
  • SBIG ST402 Guider
  • Astrodon MegaMoag
  • Astrodon 50mm Sq Filters

Exposure Details

  • Clear/ Lum = 420 minutes
  • Red = 180 minutes
  • Green = 140 minutes
  • Blue = 200 minutes
  • Ha 5nm = 0 minutes
  • OIII 3nm = 0 minutes
  • SII 5nm = 0 minutes

Software Used

  • MaxDL 5
  • CCDAutopilot 5
  • CCDStack2
  • Photoshop CS5

About this image


NGC225 is an open cluster in Cassiopeia discovered in 1783. There is an associated dark nebula complex cataloged as VdB4. Some of the dust in the nebula is reflecting the blue light from the nearby blue stars giving the dusty structures its eerie blue cast.

NGC225 VdB4 detail
Cass A Ha-OIII

VdB4 revealed with over 15 hours of total exposure time with Astrodon LRGB Filters.

IThis inverted image better shows the dusty regions of VdB4.

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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.