Comet C/2021 S3 PanSTARRS, 13 minutes on Target, 2024-03-09 (Dan Bartlett)

Celestial hemisphere: Northern · Constellation: Serpens (Ser) · Contains: Solar system body or event

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Comet C/2021 S3 PanSTARRS, 13 minutes on Target, 2024-03-09

Powered byPixInsight

Comet C/2021 S3 PanSTARRS, 13 minutes on Target, 2024-03-09

Rounding out the night of comet imaging is C/2021 S3 PanSTARRS as it rose just prior to morning twilight. Not much to see in the way of background interest, this 10th magnitude comet is between February's perihelion and March 14th's earth's MOID.

Observational details:
Backyard setup
scope: C14 fl729mm D356mm
exposure: 13 x 60 sec
Seeing: 4/5
Transparency 7/10
Observer: DEBartlett
Place: June Lake_California USA

Image Info (Fully Processed images):
Projection ............... Gnomonic
Projection origin ........ [869.419433 1213.129983] px -> [RA: 18 33 00.734 Dec: +1 46 31.78]
Resolution ............... 2.130 arcsec/px
Rotation ................. -20.456 deg
Reference system ......... ICRS
Observation start time ... 2024-03-09 11:34:06 UTC
Observation end time ..... 2024-03-09 11:49:48 UTC
Geodetic coordinates ..... 119 04 46 W 37 46 51 N 2360 m
Focal distance ........... 728.21 mm
Pixel size ............... 7.52 um
Field of view ............ 1d 1' 46.3" x 1d 26' 11.7"
Image center ............. RA: 18 33 00.743 Dec: +1 46 31.68 ex: -0.024121 px ey: +0.084309 px
Image bounds:
top-left .............. RA: 18 33 56.114 Dec: +2 37 35.42 ex: -0.860465 px ey: -1.502358 px
top-right ............. RA: 18 30 04.923 Dec: +2 16 03.33 ex: +3.136026 px ey: -1.546381 px
bottom-left ........... RA: 18 35 56.242 Dec: +1 16 58.67 ex: -2.181909 px ey: +0.107237 px
bottom-right .......... RA: 18 32 05.430 Dec: +0 55 31.99 ex: +0.655916 px ey: +0.146442 px

Original
Final
B

Comets Imaging

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	9511484
PixInsight job	2GF7420TXXSQU2TOSPPMF4G567WGDI9W
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h33m00s.74
RA (top/left)	18h33m56s.40
RA (top/right)	18h30m04s.81
RA (bottom/right)	18h32m05s.41
RA (bottom/left)	18h35m56s.47

Dec (center)	+01°46′31″.8
Dec (top/left)	+02°37′39″.1
Dec (top/right)	+02°16′06″.4
Dec (bottom/right)	+00°55′31″.3
Dec (bottom/left)	+01°16′59″.3

Image Index:

Contribution Index (beta):

Comet C/2021 S3 PanSTARRS, 13 minutes on Target, 2024-03-09

Comet C/2021 S3 PanSTARRS, 13 minutes on Target, 2024-03-09

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Image Index:

Contribution Index (beta):

Comet C/2021 S3 PanSTARRS, 13 minutes on Target, 2024-03-09

Comet C/2021 S3 PanSTARRS, 13 minutes on Target, 2024-03-09

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