The Andromeda Galaxy and the Oxygen Arc (Bray Falls)

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

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The Andromeda Galaxy and the Oxygen Arc

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The Andromeda Galaxy and the Oxygen Arc

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!

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
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Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
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Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
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Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	6893202
PixInsight job	X1PPW64PC8AHMPYFBNDCNBJV0OQ69D41
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h42m42s.48
RA (top/left)	00h52m46s.20
RA (top/right)	00h49m22s.13
RA (bottom/right)	00h32m13s.93
RA (bottom/left)	00h36m26s.47

Dec (center)	+41°12′43″.8
Dec (top/left)	+39°51′06″.4
Dec (top/right)	+43°12′25″.3
Dec (bottom/right)	+42°31′01″.4
Dec (bottom/left)	+39°11′40″.5

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The Andromeda Galaxy and the Oxygen Arc

The Andromeda Galaxy and the Oxygen Arc

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Contribution Index (beta):

The Andromeda Galaxy and the Oxygen Arc

The Andromeda Galaxy and the Oxygen Arc

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