M31 Revisited (Casey Offord)

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

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M31 Revisited

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M31 Revisited

So I had a near disaster the other night. Got up to check on the rig and it had disconnected, so I went outside to investigate. My beloved FLT91 was laying on the concrete having fallen out of the mount. I was absolutely sick. Investigation in the dark didn't reveal any damage so I took it inside and called it a night. Checking the next day the scope appeared to be undamaged. I set up the next night to check things out and I couldn't get my field flattener adjusted properly. After messing around for over 2 hours I threw an image in CCDInspector and found huge tilt to be the cause. To test whether the scope was damaged or something else, I took the mono cam and filter wheel off and replaced it with my ASI533MC, set it up to shoot M31, and went to bed hoping for the best. I managed to get 113 subs before the clouds rolled in.
Turns out my filter wheel, the least expensive part of the whole image train, took the brunt of the fall and was bent, causing the tilt. Looks like the FLT91 is OK! Might need a slight collimation adjustment but I think I dodged a bullet. Pulled my best image yet of M31 to boot.

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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	5196075
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M31 Revisited

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M31 Revisited

M31 Revisited

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