Object A1140BW = comet C/2024 C4 (ATLAS) (Taras Prystavski)

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

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Object A1140BW = comet C/2024 C4 (ATLAS)

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Object A1140BW = comet C/2024 C4 (ATLAS)

Object A1140BW looks diffuse with a moderately condensed coma 0.4' in diameter and a broad tail 0.5' long at PA 227 deg. Coma and a tail both are clearly visible.

Object A1140BW
2024 Feb. 16.36 UT m1=15.7 Dia.=0.4' Tail=0.5' in PA 227 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

MPCReport_calibrated-T33-prystavski-A1140BW-20240214-044154-Luminance-BIN2-E-060-001+19.txt
MPCReport_Raw-T72-prystavski-A1140BW-20240216-083108-Luminance-BIN2

050-001-0+6.txt

C/2024 C4

Epoch 2024 Jan. 11.0 TT = JDT 2460320.5
T 2024 Jan. 30.8631 TT                                  Rudenko
q   1.478434             (2000.0)            P               Q
z  +0.000000       Peri.  322.0504      -0.6704268      -0.3712027              T = 2460340.36308 JDT
 +/-0.0000000      Node   220.8045      -0.1541392      -0.7772902              q =     1.4784344
e   1.000000       Incl.   79.4562      -0.7257886      +0.5079650     Earth MOID = 0.60089 AU

1/a(orig) = +0.000267 AU**-1, 1/a(fut) = +0.000179 AU**-1.

Confirmed new comet:
Electronic Telegram No. 5354
MPEC 2024-D98

Other observations:
2024C4 2024 02 14.75 C 15.9:GG 32.0Y 9a240 & 0.3 ICQ XX PRY01I C 0.48m A4B 5 P9* 1.3s 1.3

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	9231521
PixInsight job	FS3FNS7MNOUXIE8GS5I69HBLD0QMJ8R5
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	16h57m17s.400
RA (top/left)	16h57m56s.179
RA (top/right)	16h56m35s.929
RA (bottom/right)	16h56m38s.204
RA (bottom/left)	16h57m58s.266

Dec (center)	-47°33′20″.29
Dec (top/left)	-47°26′24″.40
Dec (top/right)	-47°26′43″.92
Dec (bottom/right)	-47°40′14″.94
Dec (bottom/left)	-47°39′56″.79

Image Index:

Contribution Index (beta):

Object A1140BW = comet C/2024 C4 (ATLAS)

Object A1140BW = comet C/2024 C4 (ATLAS)

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Image Index:

Contribution Index (beta):

Object A1140BW = comet C/2024 C4 (ATLAS)

Object A1140BW = comet C/2024 C4 (ATLAS)

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