M31 - The Andromeda Galaxy with SDSO 1 [Oiii Emission Arc] (Jakob Sahner)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: 35 And · Andromeda Galaxy · M 110 · M 31 · M 32 · NGC 205 · NGC 221 · NGC 224 · The star 32 And · The star ν And

Image of the day 11/22/2023

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M31 - The Andromeda Galaxy with SDSO 1 [Oiii Emission Arc]

Image of the day 11/22/2023

Powered byPixInsight

M31 - The Andromeda Galaxy with SDSO 1 [Oiii Emission Arc]

The next big project is completed!

This image should have been a simple first light for my new camera but it had to be bigger than a casual first light...
M31 with the newly discovered Oiii arc was perfect for this. Since im a little bit of a mosaic freak I wanted to take advantage of my already bigger fov with a 2x2 mosaic.

I spent roughly 120hrs on it in LRGB+Ha before a long lasting bad weather period in Spain (where my remote telescope is installed) began.
Oiii was the only thing missing and so I started looking into my options:
1. Waiting for new moon + good weather to gather countless hours of Oiii
2. Looking for help and a collaboration

In the end I decided to reach out to Tarun Kottary and ask him for a collaboration. Luckily he was already collecting tons of data on M31 before I contacted him.
He contributed all the data from his Takahashi FSQ106 to my dataset which includes LRGBHaOiii!
The combined exposure time reached over 270hrs!!!

We are very happy with the result but for my side I'm a bit surprised how little details are visible in the Oiii arc compared to the original image from the SDSO 1 Team...
You can also read the text on the discovery image about the Oiii arc and other details.

Original
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Title: [LRGBOiii]

Uploaded: ...

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Title: [LRGBHa]

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Title: [LRGB]

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Status	Basic success
Started	...
Astrometry.net job	8745289
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Image of the day 11/22/2023

M31 - The Andromeda Galaxy with SDSO 1 [Oiii Emission Arc]

Image of the day 11/22/2023

M31 - The Andromeda Galaxy with SDSO 1 [Oiii Emission Arc]

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Image of the day 11/22/2023

M31 - The Andromeda Galaxy with SDSO 1 [Oiii Emission Arc]

Image of the day 11/22/2023

M31 - The Andromeda Galaxy with SDSO 1 [Oiii Emission Arc]

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