M8 Lagoon Nebula (Luís Ramalho)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: 7 Sgr · 9 Sgr · B296 · B88 · B89 · Lagoon Nebula · M 8 · NGC 6523 · NGC 6526 · NGC 6530 · Sh2-25 · The star 7Sgr · The star 9Sgr

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M8 Lagoon Nebula

Link: http://www.astrosurf.com/ramalho/nebulosas/M008/M008_20030504.htm

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M8 Lagoon Nebula

Link: http://www.astrosurf.com/ramalho/nebulosas/M008/M008_20030504.htm

Easy to find in the area of the galactic center. The name "Lagoa" was given by Agnes Clerke in 1890 due to the intermediate dark band that absorbs the radiation coming from behind (absorption nebula). The Lagoon nebula contains clouds of dust and gas where new stars are forming and a region of glowing hydrogen that results from the presence of very hot stars, which can be detected in the central part of the image. The open cumulus NGC 6530, the scattered swarm with a diameter of about 10 minutes of arc, composed largely of the blue stars in the center of the image, is one of the youngest cumulus known, with an age of a few million years and includes several stars of the type T Tauri (variable stars with irregular fluctuations that have not yet reached a stable existence). In the brightest part of the image (in the center and slightly to the right), there is an area in the shape of an "hourglass" ("Hourglass"), more visible at 1530x1020 resolution, which is very active in the formation of new stars and which is expected to 1 million years from now give rise to another splendid swarm. This nebula also has numerous Bok globules (small dark nodules visible on the nebula), concentrations of dust and gas, which due to their relative high density and low temperature, may eventually start to contract under their own gravitational attraction, constituting ideal locations for the formation of new stars. Another designation: NGC 6523.

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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.

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Status	Advanced success
Started	...
Astrometry.net job	4240442
PixInsight job	V1S7Y4UXLE1FGWC51YH1CWGVG0ITU7JH
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	18h04m14s.34
RA (top/left)	18h06m56s.49
RA (top/right)	18h01m29s.31
RA (bottom/right)	18h01m31s.25
RA (bottom/left)	18h07m00s.28

Dec (center)	-24°22′23″.4
Dec (top/left)	-23°56′53″.6
Dec (top/right)	-23°57′52″.3
Dec (bottom/right)	-24°47′43″.1
Dec (bottom/left)	-24°46′46″.7

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M8 Lagoon Nebula

M8 Lagoon Nebula

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