Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  PK136+04.1  ·  PK136+05.1
HFG1 & Abell 6, Yizhou Zhang
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HFG1 & Abell 6

HFG1 & Abell 6, Yizhou Zhang
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HFG1 & Abell 6

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Description

Heckathorn-Fesen-Gull 1 (HFG1) and Abell 6 are a pair of planetary nebulae from the constellation of Cassiopeia. HFG1 has a very interesting mophorlogy, seems like a cat's paw behind a faint OIII bow shock. Abell 6 being an Abell PN, beautiful crystal ball.

The duo is fairly dark, and total of 50hr worth of data doesn't show much in raw data. What's more frustrating for me was the H-alpha signal in the background. Either I am doing something wrong, or 30 hrs of H-alpha data wasn't nearly enough, and it's really noisy and hard to extract a smooth background layer of redness. 

I don't think I reached what I pictured beforehand, but I don't see the end lol, and decided to put a cap and move on. Maybe will re-visit on this target some other days.

#WTO

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HFG1 & Abell 6, Yizhou Zhang

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SDAA AISIG Group