Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  32 And  ·  35 And  ·  35 nu. And  ·  Andromeda Galaxy  ·  HD3431  ·  HD3447  ·  HD3741  ·  HD3765  ·  HD3827  ·  HD3969  ·  HD4143  ·  HD4174  ·  HD4322  ·  HD4501  ·  HD4669  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 206  ·  NGC 221  ·  NGC 224  ·  The star 32 And  ·  The star ν And
The Andromeda Galaxy and the Oxygen Arc, Bray Falls
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The Andromeda Galaxy and the Oxygen Arc

The Andromeda Galaxy and the Oxygen Arc, Bray Falls
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The Andromeda Galaxy and the Oxygen Arc

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Description

After almost five months of imaging, editing, and waiting. I am really happy to present this image of the newly discovered oxygen arc surrounding the andromeda galaxy. In September I got an email from @Marcel Drechsler about a new project, it was a faint smudge around the andromeda galaxy they had discovered, and needed some follow-up observations to rule out optical errors or pollution. So I pointed my telescope at the spot and started firing off images, and it turns out that this thing was very very real! 

I highly encourage you to read Marcel's post and write up about the discovery, there is lots of great information and even some extra details I couldn't manage to pull out of my own image (thanks to my camera starting to break and getting severe banding). I have my own youtube video documenting the process and explaining how the discovery process works, as well as my recommendations for capturing the object here: https://youtu.be/H9sqPHiCypE

Big thanks to @Marcel Drechsler, @Yann SAINTY, and @Xavier STROTTNER for enlisting me to help on this project, it was a huge honor! 

Hope y'all enjoy the image!

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The Andromeda Galaxy and the Oxygen Arc, Bray Falls