M13 -- Accidental Monochrome Image (Richard Beck)

Celestial hemisphere: Northern · Constellation: Hercules (Her) · Contains: Great Cluster in Hercules · Hercules globular cluster · IC 4617 · M 13 · NGC 6205

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M13 -- Accidental Monochrome Image

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M13 -- Accidental Monochrome Image

Messier 13 (M13), also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster, is a globular cluster of about 300,000 stars in the constellation of Hercules. It is about 145 light-years in diameter, and it is composed of several hundred thousand stars, the brightest of which is a red giant, the variable star V11, with an apparent visual magnitude of 11.95. M13 is 22,200 light-years away from Earth.

I'm starting with astrophography and was trying to capture a color shot, but I confused myself with the correct setting for the camera in INDI. I thought I'd go ahead and post it.

Processing was performed with PixInsight 1.8.5 using BPP, ABE, MaskedStrech and Histogram Transformation.

Final
Original
B
C

B

Description: Actually, this was a color image. I missed specifying the debayer pattern in BPP. Here's the color version.

Uploaded: ...

C

Description: Reprocessed -- ABE, PCC, SCNR (Green 0.5) and ArcSinh stretch

Uploaded: ...

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1. First Year of Imaging

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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.

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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	1765587
PixInsight job	9J3Z4N8UNKSLJS1EE2LA6W6D3FN7AK1D
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	16h41m43s.33
RA (top/left)	16h42m45s.31
RA (top/right)	16h42m50s.100
RA (bottom/right)	16h40m40s.77
RA (bottom/left)	16h40m36s.90

Dec (center)	+36°27′44″.6
Dec (top/left)	+36°09′55″.4
Dec (top/right)	+36°44′46″.2
Dec (bottom/right)	+36°45′32″.9
Dec (bottom/left)	+36°10′41″.9

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M13 -- Accidental Monochrome Image

M13 -- Accidental Monochrome Image

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Contribution Index (beta):

M13 -- Accidental Monochrome Image

M13 -- Accidental Monochrome Image

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Acquisition details

Description

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C

Sky plot

Histogram

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