The Jellyfish Nebula (Neal Weston)

Celestial hemisphere: Northern · Constellation: Gemini (Gem) · Contains: 7 eta Gem · Gem A · HD253701 · HD253781 · HD253821 · HD253913 · HD253953 · HD253955 · HD253980 · HD254044 · HD254072 · HD254203 · HD254232 · HD254265 · HD254346 · HD254420 · HD254443 · HD254475 · HD254476 · HD254477 · HD254498 · HD254520 · HD254521 · HD254576 · HD254577 · HD254632 · HD254656 · HD254700 · HD254701 · HD254724 · And 16 more.

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The Jellyfish Nebula

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The Jellyfish Nebula

This image took for ever to process because I was never very happy with the results but you have to stop somewhere...

Supernova remnant IC443 the Jellyfish Nebula in HSRGB (if that makes any sense!). There was so little OIII signal that I decided to blend RGB with luminance derived from the Ha and SII Data.

Bright star Eta Geminorum was a challenge to control, not great but I think it looks ok.

Original
Final
B

B

Description: The same as the previous image but removed a few blotchy colours in the background which were just annoying me. Funny how you notice these things after you've posted. I'll probably notice something else now...

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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	5120970
PixInsight job	YQ5QNLC88Y87DCM4E9JAD36ILM6NLO96
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h16m44s.70
RA (top/left)	06h18m32s.23
RA (top/right)	06h13m56s.85
RA (bottom/right)	06h14m56s.83
RA (bottom/left)	06h19m30s.59

Dec (center)	+22°27′00″.8
Dec (top/left)	+23°00′41″.7
Dec (top/right)	+22°43′29″.9
Dec (bottom/right)	+21°53′10″.3
Dec (bottom/left)	+22°10′21″.8

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Contribution Index (beta):

The Jellyfish Nebula

The Jellyfish Nebula

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Image Index:

Contribution Index (beta):

The Jellyfish Nebula

The Jellyfish Nebula

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Description

Comments

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Sky plot

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