Comet C/2022 S4 (Lemmon) (Taras Prystavski)

Celestial hemisphere: Southern · Constellation: Eridanus (Eri) · Contains: Solar system body or event

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Comet C/2022 S4 (Lemmon)

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Comet C/2022 S4 (Lemmon)

Comet C/2022 S4 (Lemmon)
2023 Sep. 26.46 UT m1=16.8: Dia.=0.3' Tail=1.3' in PA 336 deg... [T24] 0.61-m f/6.5 astrograph + CCD... T. Prystavski (iTelescope observatory, U69 (Auberry, California, USA))

MPCReport_calibrated-T24-prystavski-CK22S040-20230925-035308-Luminance-BIN2-E-060-001+4.txt

C/2022 S4 (Lemmon)

Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 July 18.4150 TT                                  Rudenko
q   2.763270             (2000.0)            P               Q
z  +0.000309       Peri.  268.4727      +0.1458355      -0.7604725              T = 2460509.91497 JDT
 +/-0.0000037      Node   220.1740      +0.2694650      -0.5849029              q =     2.7632698
e   0.999147       Incl.  101.2192      -0.9519037      -0.2820819

1/a(orig) = +0.000043 AU**-1, 1/a(fut) = +0.001227 AU**-1.

Light curve created using "Comet for Windows" software. Copyright(C) Seiichi Yoshida.

Other observations:
2022S4 2023 08 27.41 C 17.2 GG 51.0C 7a240 0.3 0.5m327 ICQ XX PRY01I C 0.31m A4B 5 P7* 0.7s 0.7

Comet observations 2023

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	8618683
PixInsight job	423P1KHOXM75YQO3O2RVJNPQWXC8ZOVY
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	03h23m47s.68
RA (top/left)	03h24m30s.69
RA (top/right)	03h23m06s.35
RA (bottom/right)	03h23m04s.51
RA (bottom/left)	03h24m29s.50

Dec (center)	-06°33′27″.2
Dec (top/left)	-06°23′50″.8
Dec (top/right)	-06°23′20″.6
Dec (bottom/right)	-06°43′05″.2
Dec (bottom/left)	-06°43′33″.9

Image Index:

Contribution Index (beta):

Comet C/2022 S4 (Lemmon)

Comet C/2022 S4 (Lemmon)

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Image Index:

Contribution Index (beta):

Comet C/2022 S4 (Lemmon)

Comet C/2022 S4 (Lemmon)

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