Lagoon & Trifid Nebulae (David Krause)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: 11 Sgr · 13.25 · 171 Ophelia · IC 1274 · IC 1275 · IC 4684 · IC 4685 · Lagoon Nebula · M 20 · M 21 · M 8 · NGC 6514 · NGC 6523 · NGC 6526 · NGC 6530 · NGC 6531 · NGC 6546 · NGC 6559 · PK006-02.1 · PK006-03.1 · The star 1 Sgr · The star 12 Sgr · The star 4 Sgr · The star 5 Sgr · The star 7 Sgr · The star 9 Sgr · Trifid Nebula

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Lagoon & Trifid Nebulae

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Lagoon & Trifid Nebulae

A quartet of targets. This image contains the Lagoon Nebula (M8) at the bottom, the Trifid Nebula (M20) at the top-right, IC4685 (unnamed nebulae) at the left, and M21 (unnamed star cluster) at the top.

The Lagoon and Trifid nebulae are both star-forming clouds of interstellar gas and dust. The Lagoon is 5,200 light-years from Earth while the Trifid is 9,000. They are both magnificent and relatively bright targets.

IC4685 is often overlooked due to the other two nebulae being the attention grabbers, but it’s awesome sincet it’s both an emission and reflection nebulae showcasing and wide-span of dark dust lines. It’s approximately 4,000 light-years away.

M21 is the open star cluster next to the Trifid. They are relatively the same distance from Earth, but M21’s stars are much older by about 8 million years. It’s exciting to get so much in one picture.

This is an HaRGB image where we combined both broadband and narrowband data. It’s a little over 7 hours of data but took 4 sessions to get it since this area is only visible to us a couple hours at a time before hitting our notorious southern tree-line.

Narrowband imaging
Duo-band, Tri-band, and Quad-band Imaging
The OSC Club (One Shot Camera)
Antlia ALP-T 5nm Dual Narrowband Filter
N.I.N.A. Users
Cooled Color Cams
Imaged with N.I.N.A.
Cloudy Nights
WO Redcat 71 Group
North Carolina Astronomers

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Status	Advanced success
Started	...
Astrometry.net job	8035611
PixInsight job	V047B6EBH1AJDHKU6NFA7ML2V676RTQU
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h05m11s.69
RA (top/left)	18h13m25s.94
RA (top/right)	17h57m01s.91
RA (bottom/right)	17h56m47s.50
RA (bottom/left)	18h13m31s.22

Dec (center)	-23°36′36″.10
Dec (top/left)	-22°20′45″.3
Dec (top/right)	-22°19′05″.6
Dec (bottom/right)	-24°50′55″.5
Dec (bottom/left)	-24°52′38″.2

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Lagoon & Trifid Nebulae

Lagoon & Trifid Nebulae

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Lagoon & Trifid Nebulae

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