Sh2-188

Rancho Del Sol Observatory · Camino, California

Sh2-188 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 = 0 minutes
  • Red = 0 minutes
  • Green = 0 minutes
  • Blue = 0 minutes
  • Ha 5nm = 960 minutes
  • OIII 3nm = 900 minutes
  • SII 5nm = 360 minutes

Software Used

  • MaxDL 5
  • CCDAutopilot 5
  • CCDStack2
  • Photoshop CS5

About this image


Sh2-188 (Sharpless 188) a planetary nebula that is moving through the Inter Stellar Medium. The nebula is considered to be one of the most extreme examples of planetary nebula and ISM interaction. The bright parts of the filamentary rim is the shock front with a faint tail of material stretching away. See the AJ paper linked Here.

Sh2-188 detail
Cass A Ha-OIII

Sh2-188 (Sharpless 188) revealed with over 37 hours of total exposure time with Astrodon narrowband filters.

Combined Ha, OIII, and SII data of over 37 hours of exposure time. This inverted image shows shock front and trailing tail

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M76M76HFG1 PK 136+05HFG1 PK 136+05IC59 IC63IC59 IC63

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.