M81 and M82 (ScottBrabec)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Bode's Galaxy · Cigar Galaxy · HD85161 · M 81 · M 82 · NGC 3031 · NGC 3034

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M81 and M82

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M81 and M82

M81 and M82 using QHY268M camera using Extended Full Well 2CMS (Mode 3) with a gain of 30 and offset of 40 for the RGB broadband filters. I like the ability of minimizing blowing out the stars with this setting. For the Ha I used the High Gain (Mode 1) with a gain of 56 and offset of 40.

Original
B
Final
C

B

Description: Slight adjustment to background

Uploaded: ...

C

Description: This revision uses a modified version of Coninuum Subtraction method by Seti Astro (You Tube: "Advanced Galaxy Processing in Pixinsight Enhancing RGB data with Continuum Subtraction (With Data)!" Instead of individually processing the R, G, B channels in the linear state I Combined them and performed majority of linear processing as a RGB image. I then separated the RGB channels in order to use the R data with the Ha data. This method by Seti Astro yielded a much better color balanced image overall.

Uploaded: ...

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Deep sky
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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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Mix of multiple sources
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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.
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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	9632299
PixInsight job	U0DS9KIXA3Y43OJNNXI53ZVKST71VLQ7
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h55m37s.975
RA (top/left)	09h59m34s.427
RA (top/right)	10h01m15s.827
RA (bottom/right)	09h51m26s.105
RA (bottom/left)	09h50m18s.272

Dec (center)	+69°18′17″.53
Dec (top/left)	+68°37′05″.10
Dec (top/right)	+69°54′04″.19
Dec (bottom/right)	+69°59′08″.16
Dec (bottom/left)	+68°41′50″.30

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M81 and M82

M81 and M82

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Image Index:

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M81 and M82

M81 and M82

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