Comet C/2021 G2 (ATLAS) (Taras Prystavski)

Celestial hemisphere: Southern · Constellation: Centaurus (Cen) · Contains: Solar system body or event

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Comet C/2021 G2 (ATLAS)

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Comet C/2021 G2 (ATLAS)

Comet C/2021 G2 (ATLAS)
2024 Jan. 13.65 UT m1=14.2 (m2=15.6) Dia.=0.7' Tail=&2.7' in PA 265 deg... [T33] 0.3-m f/9 reflector + CCD... © T. Prystavski (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Q62_2024_01_13-1_multi.txt

MPCReport_calibrated-T33-prystavski-CK21G020-20240113-023405-Luminance-BIN2-E-180-001+3.txt

C/2021 G2 (ATLAS)

Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Sept.  9.4940 TT                                 Rudenko
q   4.981863             (2000.0)            P               Q
z  +0.000099       Peri.  343.3116      -0.8470249      +0.2009805              T = 2460562.99404 JDT
 +/-0.0000006      Node   221.0939      -0.3605016      -0.8975219              q =     4.9818626
e   0.999506       Incl.   48.4748      -0.3906243      +0.3925065

1/a(orig) = +0.000034 AU**-1, 1/a(fut) = -0.000440 AU**-1.

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

Other observations:
A2021G2 2021 08 12.81 c 18.8 GG 51.0Y 7a240 ICQ XX PRYabI C 0.22m K6F A4B 5 P3 1.7s 1.7
2021G2 2022 01 01.70 C 17.3:U4 50.8C 7a120 0.2 0.2m319 ICQ XX PRYabI C 0.19m K6F A4B 5 P3 0.8s 0.8
2021G2 2023 01 20.75 C 15.7:GG 32.0Y 9a720 & 0.3 & 1.2m302 ICQ XX PRYabI C 0.34m A4B 5 P8* 0.6s 0.6
2021G2 2023 02 05.47 C 15.3:U4 50.8C 4a480 & 0.4 & 0.4m315 ICQ XX PRYabI C 0.39m K6F A4B 5 P4* 1.7s 1.7
2021G2 2023 04 10.40 C 15.0 U4 50.8C 4a240 0.6 & 0.8m284 ICQ XX PRYabI C 0.55m K6F A4B 5 P3* 0.8s 0.8
2021G2 2023 06 06.36 C 15.0 U4 43.1C 7a240 0.6 ICQ XX PRY01I C 0.58m A4B 5 P4* 0.9s 0.9

Comet observations 2024

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	9049486
PixInsight job	8TDPKGTZYF3VJY6UQ5O4RRLSO982W6ZE
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h12m02s.56
RA (top/left)	12h13m12s.22
RA (top/right)	12h10m51s.26
RA (bottom/right)	12h10m52s.80
RA (bottom/left)	12h13m14s.86

Dec (center)	-37°57′26″.5
Dec (top/left)	-37°46′09″.1
Dec (top/right)	-37°46′20″.5
Dec (bottom/right)	-38°08′48″.5
Dec (bottom/left)	-38°08′31″.3

Image Index:

Contribution Index (beta):

Comet C/2021 G2 (ATLAS)

Comet C/2021 G2 (ATLAS)

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Image Index:

Contribution Index (beta):

Comet C/2021 G2 (ATLAS)

Comet C/2021 G2 (ATLAS)

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