Messier 8 La Nebulosa de la Laguna (José María Moreno Santiago)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: 4 Sgr · 7 Sgr · 9 Sgr · B296 · B88 · B89 · HD164031 · HD164105 · HD164146 · HD164194 · HD164266 · HD164385 · HD164386 · HD164403 · HD164453 · HD164536 · HD164679 · HD164766 · HD164767 · HD164865 · HD164906 · HD164933 · HD165015 · HD165016 · HD165052 · HD165132 · HD165246 · HD165321 · HD165345 · HD315031 · And 17 more.

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Messier 8 La Nebulosa de la Laguna

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Messier 8 La Nebulosa de la Laguna

La nebulosa Laguna (también conocida como objeto Messier 8, Messier 8, M8 o NGC 6523), es una nebulosa de emisión (concretamente se trata de una Región H II) ubicada en la constelación de Sagitario. Está, aproximadamente, a una distancia de 5000 años luz.1 Fue descubierta por Guillaume Le Gentil en 1747.

La nebulosa -asociada a una nube molecular y que forma parte de la asociación estelar Sagittarius OB1 parece tener una profundidad comparable a la de su anchura e incluye cierto número de glóbulos de Bok,nubes de gas y polvo en proceso de colapso para formar estrellas, algunos de los cuales han sido catalogados por Edward Emerson Barnard como B88, B89, y B296. El descubrimiento de cinco objetos Herbig-Haro en el borde sur de la nebulosa (HH893, HH894, HH895, HH896, y HH897) aporta más evidencia a la formación estelar en curso.2

En la porción más brillante de la nebulosa se halla una estructura conocida como El reloj de arena, en la que se produce una intensa actividad de formación de estrellas; allí, en el año 2006, identificaron cuatro objetos Herbig-Haro: HH867, HH868, HH869 y HH870.1También incluye una estructura de polvo con forma de tornado provocada por la acción de la radiación ionizante de la estrella múltiple de tipo espectral O Herschel 36.

El cúmulo asociado a la Nebulosa Laguna es conocido cómo NGC6530, siendo sus estrellas más luminosas 9 Sagittarii y HD 165052; ambas estrellas de tipo espectral O, son sistemas estelares binarios y los principales responsables de ionizar y excitar la nebulosa.

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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	7616850
PixInsight job	VY4E61NDVERV9JQUQ8C7G88N0TV0XQ8V
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h03m51s.87
RA (top/left)	18h05m05s.86
RA (top/right)	17h58m40s.30
RA (bottom/right)	18h02m35s.96
RA (bottom/left)	18h09m04s.56

Dec (center)	-24°11′57″.6
Dec (top/left)	-23°00′48″.4
Dec (top/right)	-23°54′31″.4
Dec (bottom/right)	-25°23′24″.4
Dec (bottom/left)	-24°28′48″.4

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Messier 8 La Nebulosa de la Laguna

Messier 8 La Nebulosa de la Laguna

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Messier 8 La Nebulosa de la Laguna

Messier 8 La Nebulosa de la Laguna

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