9.9 Magnitude comet 67P/ Churyumov-Gerasimenko on Dec 04, 2021 (Dan Bartlett)

Celestial hemisphere: Northern · Constellation: Cancer (Cnc) · Contains: Solar system body or event

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9.9 Magnitude comet 67P/ Churyumov-Gerasimenko on Dec 04, 2021

Powered byPixInsight

9.9 Magnitude comet 67P/ Churyumov-Gerasimenko on Dec 04, 2021

Overshadowed by C/2021 A1 Leonard, 67P has turned out to be a fine object sitting a little better than Magnitude 10. Perihelion was a month ago, November 2nd and closest approach to the earth on November 12th, there appears to have multiple tails , including a potential orbital plane tail.
Dan

Image details:
WCS transformation ....... Linear
Projection ............... Gnomonic
Projection origin ........ [1756.545325 2618.972839] px -> [RA: 8 51 08.036 Dec: +27 06 00.14]
Resolution ............... 0.800 arcsec/px
Rotation ................. -45.034 deg
Reference system ......... ICRS
Observation start time ... 2021-12-05 10:03:13 UTC
Focal distance ........... 618.74 mm
Pixel size ............... 2.40 um
Field of view ............ 46' 50.6" x 1d 9' 50.8"
Image center ............. RA: 8 51 08.039 Dec: +27 06 00.15
Image bounds:
top-left .............. RA: 8 50 31.160 Dec: +27 47 14.77
top-right ............. RA: 8 48 02.423 Dec: +27 13 59.09
bottom-left ........... RA: 8 54 13.208 Dec: +26 57 46.00
bottom-right .......... RA: 8 51 44.468 Dec: +26 24 44.93

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	5305015
PixInsight job	OPRR7W17FPJV3X054O0555FSZQQA1G2D
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	08h51m08s.880
RA (top/left)	08h50m31s.142
RA (top/right)	08h48m02s.340
RA (bottom/right)	08h51m44s.442
RA (bottom/left)	08h54m13s.199

Dec (center)	+27°05′59″.99
Dec (top/left)	+27°47′14″.85
Dec (top/right)	+27°13′58″.62
Dec (bottom/right)	+26°24′44″.56
Dec (bottom/left)	+26°57′45″.82

Image Index:

Contribution Index (beta):

9.9 Magnitude comet 67P/ Churyumov-Gerasimenko on Dec 04, 2021

9.9 Magnitude comet 67P/ Churyumov-Gerasimenko on Dec 04, 2021

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Image Index:

Contribution Index (beta):

9.9 Magnitude comet 67P/ Churyumov-Gerasimenko on Dec 04, 2021

9.9 Magnitude comet 67P/ Churyumov-Gerasimenko on Dec 04, 2021

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