Last Year's Comet C/2017 T2 PanSTARRS; Widefield view of Forgotten Data (Dan Bartlett)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Solar system body or event

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Last Year's Comet C/2017 T2 PanSTARRS; Widefield view of Forgotten Data

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Last Year's Comet C/2017 T2 PanSTARRS; Widefield view of Forgotten Data

A whopping 5.3 degrees x 3.5 degree field showing Bodes Galaxy, Cigar Galaxy and Coddington's Galaxy as Comet C/2017 T2 PanSTARRS graced the field.

Lots of problems here! Well undersampled, Dew slowly evaporated off the camera sensor leaving an obvious granular effect in the IFN; and halos around the brighter stars is apparent.

I overlooked processing this image due to the hordes of data using the main scopes at the time. The RedCat was piggybacked onto the RASA 8 and I feared the alignment wasn't spot on.

If you don't look too close, the transitory spectacle of Comet C/2017 T2 drifting through some of the most famous galaxies in UMa and CVn was indeed memorable!
Dan

Image info:
WCS transformation ....... Linear
Projection ............... Gnomonic
Projection origin ........ [2405.986577 1566.002604] px -> [RA: 10 16 48.173 Dec: +69 13 34.63]
Resolution ............... 3.976 arcsec/px
Rotation ................. -10.355 deg
Reference system ......... ICRS
Observation start time ... 2000-05-25 05:08:56 UTC
Focal distance ........... 247.99 mm
Pixel size ............... 4.78 um
Field of view ............ 5d 18' 51.7" x 3d 27' 32.3"
Image center ............. RA: 10 16 48.162 Dec: +69 13 34.63
Image bounds:
top-left .............. RA: 10 45 31.056 Dec: +71 16 02.31
top-right ............. RA: 9 42 06.906 Dec: +70 14 28.35
bottom-left ........... RA: 10 47 50.400 Dec: +67 49 08.62
bottom-right .......... RA: 9 53 16.777 Dec: +66 56 23.27

Please note: The following tables are updated every 24 hours.

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	Advanced success
Started	...
Astrometry.net job	4943232
PixInsight job	T0SRG48JIF3UB1J705KU7JZ1LGWRL8TW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	10h16m48s.48
RA (top/left)	10h45m29s.39
RA (top/right)	09h42m08s.83
RA (bottom/right)	09h53m17s.62
RA (bottom/left)	10h47m48s.32

Dec (center)	+69°13′30″.10
Dec (top/left)	+71°15′55″.4
Dec (top/right)	+70°14′28″.3
Dec (bottom/right)	+66°56′35″.4
Dec (bottom/left)	+67°49′14″.8

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Last Year's Comet C/2017 T2 PanSTARRS; Widefield view of Forgotten Data

Last Year's Comet C/2017 T2 PanSTARRS; Widefield view of Forgotten Data

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Last Year's Comet C/2017 T2 PanSTARRS; Widefield view of Forgotten Data

Last Year's Comet C/2017 T2 PanSTARRS; Widefield view of Forgotten Data

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