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PN HFG1   © Ken Crawford      Rancho Del Sol Observatory  MPC G67
Image Exposure Details
Filter Exposures
Clear/ Lum 0 minutes
Red 100 minutes
Green 100 minutes
Blue 100 minutes
Ha 5nm 1080 minutes
OIII 3nm 960 minutes
SII 5nm 0 minutes

HFG1 (PK 136+05 ) is an very old planetary nebula with a trail of shocked emission. The nebula surrounds the precataclysmic binary system V664 Cas. This image consists of over 39 hours of exposure time to reveal the details of the PN and the faint structures of surrounding gas.
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HFG1 (PK 136+05) revealed with over 34 hours of total exposure time. RGB Data was blended into the stars.

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 and OIII data of over 34 hours of exposure time. This inverted image shows the structures around HFG1