NGC6543 - The Cat's eye Nebula (Alexkid)

Celestial hemisphere: Northern · Constellation: Draco (Dra) · Contains: Cat's Eye Nebula · IC 4677 · NGC 6543 · NGC 6552 · PK096+29.1

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NGC6543 - The Cat's eye Nebula

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NGC6543 - The Cat's eye Nebula

Salut à tous !
Voici l'image qui jusque là m'a donné le plus de fils à retordre au niveau du traitement !! ce n'était pas une sinécure... près de 30h de photos et autant de traitement...
mais je suis plutôt satisfait du résultat ! on dit qu'on progresse à chaque photo, je le pense, et j'espère m'améliorer encore de longues années !
bon ciel à tous !

pour l'objet :La nébuleuse de l'Œil de Chat (NGC 6543) est une nébuleuse planétaire située dans la constellation du Dragon, dont l'âge est estimé à 1 000 ans.Elle fut découverte par William Herschel le 15 février 1786, et c'est la première nébuleuse planétaire dont le spectre fut étudié, par l'astronome amateur anglais William Huggins en 1864. Elle est située à environ 1 104 parsec (∼3 600 a.l.) de la Terre.English version :

Hi all !
Here is the image that so far has given me the most problems in terms of processing !! it was not an easy task ... nearly 30 hours of photos and as much processing ...
but I'm pretty happy with the result ! we say that we progress with each photo, I think so, and I hope to improve myself for many years!
good skies everyone!

for the object:

The Cat's Eye Nebula (NGC 6543) is a planetary nebula located in the constellation Dragon, estimated to be 1,000 years old.

It was discovered by William Herschel on February 15, 1786, and it is the first planetary nebula whose spectrum was studied, by the English amateur astronomer William Huggins in 1864. It is located at about 1,104 parsec (∼3,600 al) of the earth.

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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
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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
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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	5295186
PixInsight job	H2YOM8VARVL4QGWP5RG03NQ5F5D687WW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	17h58m32s.817
RA (top/left)	17h56m44s.417
RA (top/right)	18h00m22s.480
RA (bottom/right)	18h00m22s.174
RA (bottom/left)	17h56m42s.660

Dec (center)	+66°38′04″.86
Dec (top/left)	+66°30′25″.77
Dec (top/right)	+66°30′36″.42
Dec (bottom/right)	+66°45′34″.29
Dec (bottom/left)	+66°45′28″.46

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NGC6543 - The Cat's eye Nebula

NGC6543 - The Cat's eye Nebula

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NGC6543 - The Cat's eye Nebula

NGC6543 - The Cat's eye Nebula

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