Heckathorn-Fesen-Gull 1 (HFG1) aka PK 136+05

Image Description and Details : HFG-1 was discoverd in 1982 by Heckathorn, Fesen and Gull. Its central star is actually a binary star system, V664 Cas (magnitude 14) that is moving through our galaxy. V664 Cas consists of a white dwarf star and a large red giant, rotating around their centre of gravity every 14 hours. As HFG 1 moves through the ISM a bowshock is produced in front of it as well as a red trail of gas in its wake. Outer diameter about 15 arcmin.

HOO palette
82h Ha
36h Oiii
and some RGB for the stars.

Equipment:
Celestron EdgeHD14"
ZWO asi6200mm
Chroma 3nm
10Micron GM3000 HPSII
Scopedome 3M

Imaged from E-eye, Spain

Copyright: Sven Eklund