Comet C/2023 H2 (Lemmon) (Taras Prystavski)

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

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Comet C/2023 H2 (Lemmon)

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Comet C/2023 H2 (Lemmon)

Comet C/2023 H2 (Lemmon)
2023 Nov. 30.06 UT m1=9.4: (m2=14.2) Dia.=&9.3' Tail=21.5' in PA 67 deg... [T71] 0.18-m f/2.8 hyperbolic astrograph + CMOS... T. Prystavski (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

X07_2023_12_01-1_multi.txt

MPCReport_calibrated-T71-prystavski-CK23H020-20231129-222551-Luminance-BIN1-W-060-001+4.txt

C/2023 H2

Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 29.1901 TT                                  Rudenko
q   0.894413             (2000.0)            P               Q
z  +0.004092       Peri.  150.6493      +0.5767656      +0.6027429              T = 2460246.69012 JDT
 +/-0.0000026      Node   217.0446      +0.4479064      +0.3311490              q =     0.8944131
e   0.996340       Incl.  113.7541      +0.6831700      -0.7259761     Earth MOID = 0.03634 AU

1/a(orig) = +0.004337 AU**-1, 1/a(fut) = +0.004219 AU**-1.

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

Other observations:
2023H2 2023 10 13.49 C 10.8:U4 10.6R 5a480 5.0 &13.8m351 ICQ XX PRY01I C 5.13mSTLaKA1 A4B 5 P4* 3.5s 3.5
2023H2 2023 10 27.53 C 8.5:U4 10.6R 5a120 & 9.6 &1.3 345 ICQ XX PRY01I C 9.83mSTLaKA1 A4B 5 P6* 3.5s 3.5

Final
Original
B

B

Title: Comet C/2023 H2 (Lemmon): wide field 1.5 deg x 1.0 deg

Description: Comet C/2023 H2 (Lemmon)
2023 Nov. 30.06 UT
m1=9.4: (UCAC-4) m2=14.2 Af(Rho)=86±4 cm Dia.=&9.3' Tail=21.5' in PA 67 deg
[T71] 0.18-m f/2.8 hyperbolic astrograph + CMOS
Exposure = 5*60 sec; 1.55"/px
© T. Prystavski
iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile)

Uploaded: ...

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
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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	8852215
PixInsight job	JTMCPIRGANHQUVI04LGCF7GGQE1GVYOC
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h13m38s.81
RA (top/left)	22h14m17s.11
RA (top/right)	22h11m55s.12
RA (bottom/right)	22h12m59s.99
RA (bottom/left)	22h15m23s.26

Dec (center)	-36°58′56″.7
Dec (top/left)	-36°38′44″.0
Dec (top/right)	-36°52′48″.3
Dec (bottom/right)	-37°19′03″.3
Dec (bottom/left)	-37°04′51″.7

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Comet C/2023 H2 (Lemmon)

Comet C/2023 H2 (Lemmon)

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Comet C/2023 H2 (Lemmon)

Comet C/2023 H2 (Lemmon)

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