M31 - Sept 4th (Fred Burt)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: Andromeda Galaxy · M 31 · M 32 · NGC 221 · NGC 224

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M31 - Sept 4th

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M31 - Sept 4th

M31. Used d5300 and coma corrector on sw250p and EQ platform.
used a thin leather on EQ platform and believe it caused much error.

I took 400 picture.
Iso1600, 1.6s. alignment was not good. 80% star trails.
I had issues with this camera creating both jpg and nef files. When opening nef files in windows photo native app it would show corrupted image. I also attempted to process these corrupted files in APP.
I started with a large set (243) but 50% had to be deselected during registration. I then decided to prove that the files being corrupted was the reason mostly. I took only 80 of the best images and APP processed it cleanly. When I say corrupted I mean the photo app would state it corrupted. It it wasn't corrupted they would show a temp stretch. Some didn't stretch and most that did stretch had also some artifacts that I didn't want to be apart of the integration step. So this picture came out. Saves as Tiff and opened in Photoshop and adjusted minor stuff only (curves, levels, colour balance only).

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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
Top pick nominations

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
Solar system
Extremely wide field
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
Own remote observatory
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	Basic success
Started	...
Astrometry.net job	8413427
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M31 - Sept 4th

M31 - Sept 4th

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M31 - Sept 4th

M31 - Sept 4th

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