NGC6888 en Banda estrecha (Jose Luis Ricote)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 34 P Cyg · Crescent Nebula · NGC 6888 · PK076+01.2 · Sh2-105 · The star 34Cyg

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NGC6888 en Banda estrecha

Link: http://maravillasdelcielo.ddns.net/2021/NGC6888_HOO.html

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NGC6888 en Banda estrecha

Link: http://maravillasdelcielo.ddns.net/2021/NGC6888_HOO.html

La nebulosa Medialuna (NGC 6888), también llamada nebulosa Creciente o Caldwell 27, es una nebulosa de emisión en la constelación de Cygnus, situada 6º al suroeste de Sadr (γ Cygni). Se encuentra a unos 4700 años luz de distancia de la Tierra.La nebulosa Medialuna es una nebulosa de Wolf-Rayet, formada por el fuerte viento estelar originado por la estrella de Wolf-Rayet HD 192163 (WR 136) que choca y dinamiza el viento más lento que expulsó la estrella cuando se convirtió en una gigante roja hace unos 400 000 años. A resultas de esta colisión se ha formado una envoltura y dos ondas de choque, una moviéndose hacia afuera y otra hacia dentro. La onda de choque que se mueve hacia el interior calienta el viento estelar hasta temperaturas en donde se emiten rayos X.

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	4766415
PixInsight job	EJXA0RESHV5YBDV2Z0YD26GWFR3XKK9P
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	20h12m15s.23
RA (top/left)	20h06m49s.57
RA (top/right)	20h17m46s.89
RA (bottom/right)	20h17m47s.65
RA (bottom/left)	20h06m36s.28

Dec (center)	+38°21′02″.9
Dec (top/left)	+37°35′47″.6
Dec (top/right)	+37°37′41″.8
Dec (bottom/right)	+39°05′17″.9
Dec (bottom/left)	+39°03′21″.10

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NGC6888 en Banda estrecha

NGC6888 en Banda estrecha

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NGC6888 en Banda estrecha

NGC6888 en Banda estrecha

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