M8 The Lagoon Nebula (Steve Argereow)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: 7 Sgr · 9 Sgr · B296 · B88 · B89 · LBN 25 · LBN 26 · LDN 180 · Lagoon Nebula · M 8 · NGC 6523 · NGC 6526 · NGC 6530 · Sh2-25 · The star 7 Sgr · The star 9 Sgr

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M8 The Lagoon Nebula

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M8 The Lagoon Nebula

M8 The Lagoon Nebula
Commonly known as the Lagoon Nebula, M8 was discovered in 1654 by the Italian astronomer Giovanni Battista Hodierna, who, like Charles Messier, sought to catalog nebulous objects in the night sky so they would not be mistaken for comets. This star-forming cloud of interstellar gas is located in the constellation Sagittarius and its apparent magnitude of 6 makes it faintly visible to the naked eye in dark skies. The best time to observe M8 is during August.
Located 5,200 light-years from Earth, M8 is home to its own star cluster: NGC 6530 . The massive stars embedded within the nebula give off enormous amounts of ultraviolet radiation, ionizing the gas and causing it to shine.

Information Credits: A. Caulet (ST-ECF, ESA) and NASA

Telescope Meade 6000 80mm APO Refractor
X0.8 Reducer at f4.8 385mm Focal Length

Camera ZWO183MC
ZWO EFW
Filter Optolong L-Extreme Gain 120 Offset 120
33 X 5 Minute Exposures Total 2 Hours 45 Minutes

Mount IOptron CEM40

Acquisition with SharpCap
Stacked - Astro Pixel Processor
Processed - Astra Image

Taken at Seven Lakes, NC Bortle 4.5

Original
Final
B

B

Description: an attempt to remove the green stars

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Status	Advanced success
Started	...
Astrometry.net job	5728976
PixInsight job	Z85FXVULOSZFAYUMQP7GNKOY99O7VIPT
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h04m07s.49
RA (top/left)	18h07m54s.96
RA (top/right)	18h00m31s.85
RA (bottom/right)	18h00m17s.26
RA (bottom/left)	18h07m45s.38

Dec (center)	-24°20′28″.4
Dec (top/left)	-23°44′43″.1
Dec (top/right)	-23°40′54″.3
Dec (bottom/right)	-24°55′56″.9
Dec (bottom/left)	-24°59′36″.6

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M8 The Lagoon Nebula

M8 The Lagoon Nebula

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M8 The Lagoon Nebula

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