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Sharpless 188   © Ken Crawford      Rancho Del Sol Observatory  MPC G67
Image Exposure Details
Filter Exposures
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

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

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.
Cass A Ha-OIII

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