Comet C-2022 E3 (ZTF) 22 Jan 2023 (Eric Smith)

Celestial hemisphere: Northern · Constellation: Draco (Dra) · Contains: HD136511 · HD136921 · HD137588 · HD137928 · HD138554 · HD234219 · HD234225 · HD238474 · HD238477

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Comet C-2022 E3 (ZTF) 22 Jan 2023

Powered byPixInsight

Comet C-2022 E3 (ZTF) 22 Jan 2023

First attempt at capturing and editing a comet.
Lot's of new processes to learn and to experiment with.

This was a tricky one for me to process. I eventually ended up with creating a full integration of the star tracked sequence which after initial processing, I removed the stars for the starfield and discarded the residue comet.
I ran a batch Star Xterminate on all the calibrated, debayered and star aligned subframes. These starless subframes were then comet aligned in PixInsight and image integrated using the first frame as the reference frame.
The starless comet was processed separately from the star image and eventually recombined using a Pixelmath combine expression.
Looking forward to the next opportunity to capture more frames in a new position in the sky and hopefully a better result.

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	7044082
PixInsight job	W79DF9IC5P46F9JQT5Y9MMFSUHMZQMVG
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	15h24m17s.77
RA (top/left)	15h34m55s.13
RA (top/right)	15h13m02s.00
RA (bottom/right)	15h14m07s.52
RA (bottom/left)	15h35m07s.70

Dec (center)	+54°02′18″.2
Dec (top/left)	+54°58′43″.3
Dec (top/right)	+54°48′23″.1
Dec (bottom/right)	+53°02′17″.8
Dec (bottom/left)	+53°12′19″.6

Image Index:

Contribution Index (beta):

Comet C-2022 E3 (ZTF) 22 Jan 2023

Comet C-2022 E3 (ZTF) 22 Jan 2023

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Image Index:

Contribution Index (beta):

Comet C-2022 E3 (ZTF) 22 Jan 2023

Comet C-2022 E3 (ZTF) 22 Jan 2023

Equipment

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Description

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Sky plot

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