Comet's Trail Through Starlit Whispers (donald108)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: B345 · HD192076 · HD192119 · HD192239 · HD192420 · HD192441 · HD192457 · HD192480 · HD192515 · HD192580 · HD192600 · HD192681 · HD192682 · HD192697 · HD192728 · HD192985 · HD193090 · HD193536 · HD193701 · HD193722 · HD194152 · HD194423

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Comet's Trail Through Starlit Whispers

Link: https://stars.sh

Powered byPixInsight

Comet's Trail Through Starlit Whispers

Link: https://stars.sh

When I started imaging Panel 2 of my current project on the night of the 7th May, I didn't expect to see a fuzzy star within my field of view. As I looked closer at the subs, I noticed the fuzzy star was moving. I knew at that point I caught a comet! I started looking up what comets that were up, and found C/2021 S3 (PANSTARRS) to match.

After the night was over, I was eager to use what I learned in processing other comets to see what the comet looks like frozen atop the surrounding nebulosity. After spending hours processing, I was happy to see the comet frozen in place passing near the SNR W63 & the surrounding nebulosity of Cygnus. The final image is a composite between an LHaOiiiRGB image of the background, taken from 21st April - 7th May; and a LRGB image of the comet, taken on the night of the 7th May.

A serendipitous event like this can't wait to be shared. I hope you all enjoy!

Some additional interesting processing details:

Comet processing & addition used a similar workflow as done within this image
Continuum subtraction followed this guide
Starless image available

Please check out my instagram or my twitter for more astroimages.

Final
Original
B

B

Title: Starless

Description: Starless version of the original image

Uploaded: ...

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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	9813830
PixInsight job	PA7LJLET4XCSW0APTI00DN77Q7BSZ76N
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h19m13s.65
RA (top/left)	20h14m50s.29
RA (top/right)	20h27m41s.80
RA (bottom/right)	20h23m50s.13
RA (bottom/left)	20h10m41s.73

Dec (center)	+46°02′41″.8
Dec (top/left)	+44°45′54″.9
Dec (top/right)	+45°47′16″.5
Dec (bottom/right)	+47°18′40″.8
Dec (bottom/left)	+46°15′46″.1

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Comet's Trail Through Starlit Whispers

Comet's Trail Through Starlit Whispers

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Comet's Trail Through Starlit Whispers

Comet's Trail Through Starlit Whispers

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