M8 Lagoon nebula in HOO (Jean-François Douroux)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: 7 Sgr · 9 Sgr · B296 · B88 · B89 · Lagoon Nebula · M 8 · NGC 6523 · NGC 6526 · NGC 6530 · NGC 6544 · Sh2-25 · Sh2-28 · The star 7Sgr · The star 9Sgr

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M8 Lagoon nebula in HOO

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M8 Lagoon nebula in HOO

2016/08/19 Improve color of the OIII layer

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2016/08/18 Add a few frames in Ha3 and OIII, that image consists of 24 exposures in Ha and 24 exposures in OIII

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=> Voir les détails d'acquisition à http://www.astrobin.com/53101/B/

A 5.200 AL dans la constellation du Sagittaire la nébuleuse à émission La Lagune M8

Renseignements sur cette constellation en collant le lien ci-dessous dans votre navigateur :

http://fr.wikipedia.org/wiki/Sagittaire_%28constellation%29

Cette nébuleuse s'étend sur 110 AL et contient l'amas ouvert NGC 6530. Cet immense nuage de gaz et poussières est notamment éclairé par la super géante bleue l'étoile 9 du Sagittaire.

Dans cette image SHO le rouge représente l'hydrogène, le bleu l'oxygène et le jaune le souffre.

Pour avoir une idée de la dimension apparente de cette nébuleuse dans le ciel dites vous que l'image pourrait contenir 3 fois la pleine Lune.

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Status	Advanced success
Started	...
Astrometry.net job	3399658
PixInsight job	JRALB53QN0BCQ0NOH2X4A0LMZHD2QR61
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	18h04m37s.58
RA (top/left)	18h08m01s.52
RA (top/right)	18h01m20s.92
RA (bottom/right)	18h01m11s.16
RA (bottom/left)	18h07m56s.69

Dec (center)	-24°18′11″.7
Dec (top/left)	-23°31′52″.4
Dec (top/right)	-23°30′15″.4
Dec (bottom/right)	-25°04′14″.3
Dec (bottom/left)	-25°05′52″.0

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M8 Lagoon nebula in HOO

M8 Lagoon nebula in HOO

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