HFG1/ Abell 6

Image Description and Details :Heckathorn-Fesen-Gull 1 (HFG1) and Abell 6 are a duo of planetary nebulae from the constellation Cassiopea. The central star of HFG1 is a 14.5 mag binary star. It leaves behind a gas tail of at least 20 '. She is said to be around 10,000 years old. The structure of HFG1 presents an arc of a circle opposite the tail, in the direction of movement of the nebula, which suggests that it is a shock wave front of matter interacting with the interstellar medium.  Abell 6 is an example of a bubble-shaped planetary nebula. However, it remains quite faint (Mag = 15). It emits more in OIII than in Ha.  TSA120 and asi294MM 220x 300s Ha 220x 200s OIII 90x 120s RGB ( for stars) Total around 40hCopyright: Julien Fabre

Image Description and Details :Heckathorn-Fesen-Gull 1 (HFG1) and Abell 6 are a duo of planetary nebulae from the constellation Cassiopea.
The central star of HFG1 is a 14.5 mag binary star. It leaves behind a gas tail of at least 20 '. She is said to be around 10,000 years old.
The structure of HFG1 presents an arc of a circle opposite the tail, in the direction of movement of the nebula, which suggests that it is a shock wave front of matter interacting with the interstellar medium.

Abell 6 is an example of a bubble-shaped planetary nebula. However, it remains quite faint (Mag = 15). It emits more in OIII than in Ha.

TSA120 and asi294MM
220x 300s Ha
220x 200s OIII
90x 120s RGB ( for stars)
Total around 40h

Copyright: Julien Fabre

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