NGC 7543 Nebulosa Ojo de Gato (José María Moreno Santiago)

Celestial hemisphere: Northern · Constellation: Draco (Dra) · Contains: IC 4677 · NGC 6543 · NGC 6552

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NGC 7543 Nebulosa Ojo de Gato

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NGC 7543 Nebulosa Ojo de Gato

La nebulosa Ojo de Gato (NGC 6543) es una nebulosa planetaria en la constelación del Dragón a unos 3000 años luz. Estructuralmente es una de las nebulosas más complejas conocidas, en la que las imágenes de muy alta resolución del telescopio espacial Hubble han mostró notables estructuras como nudos, chorros de materia, burbujas y estructuras en forma de arco.

Fue descubierto por William Herschel el 15 de febrero de 1786 y fue la primera nebulosa planetaria cuyo espectro fue investigado, siendo esta labor realizada por el astrónomo William Huggins en 1864.

Los estudios modernos revelan una naturaleza compleja con estructuras intrincadas que podrían estar dañadas por el material eyectado por una binaria acompañando a la estrella central. Sin embargo no hay evidencias directas de la presencia de dicha compañera estelar. Además las medidas de las abundancias de elementos químicos obtenidos por diferentes métodos presentan una importante discrepancia entre sí, indicando que hay aspectos de esta nebulosa que permanecerán todavía sin ser comprendidos.

(Fuente: Wikipedia)

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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	7680445
PixInsight job	6QDLZGBWRRMGUKE94ZUKLHTAGR98AQIX
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	17h58m38s.115
RA (top/left)	17h56m52s.557
RA (top/right)	17h56m53s.262
RA (bottom/right)	18h00m21s.801
RA (bottom/left)	18h00m24s.914

Dec (center)	+66°38′02″.57
Dec (top/left)	+66°51′28″.85
Dec (top/right)	+66°24′36″.85
Dec (bottom/right)	+66°24′31″.26
Dec (bottom/left)	+66°51′24″.22

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NGC 7543 Nebulosa Ojo de Gato

NGC 7543 Nebulosa Ojo de Gato

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NGC 7543 Nebulosa Ojo de Gato

NGC 7543 Nebulosa Ojo de Gato

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