Lagoon and Trifid Nebulae (below 14 deg altitude and in under 5 mins) (Robin Livermore)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: 4 Sgr · 7 Sgr · 9 Sgr · B296 · B85 · B88 · B89 · LBN 25 · LBN 26 · LBN 27 · LDN 180 · LDN 232 · Lagoon Nebula · M 20 · M 21 · M 8 · NGC 6514 · NGC 6523 · NGC 6526 · NGC 6530 · NGC 6531 · NGC 6544 · NGC 6546 · PK006+00.1 · Sh2-25 · Sh2-26 · Sh2-28 · Sh2-30 · The star 4 Sgr · The star 5 Sgr · And 3 more.

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Lagoon and Trifid Nebulae (below 14 deg altitude and in under 5 mins)

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Lagoon and Trifid Nebulae (below 14 deg altitude and in under 5 mins)

I love this target, but it's a challenge at my latitude and at this time of year. The Lagoon maxes out at under 14 degrees altitude here, and it's only above the trees for at best a couple of hours. There's also only astronomical twilight available. So I shot 5 second exposures with the RASA, no filter, but lost the majority to cloud interference (just high wispy stuff, but so much more impact at low altitudes obviously). I still had remnants of cloud in many of the frames I used. I've cropped, and tried to remove the gradient, but still a bit of an impact to the south in particular (extreme right in this framing).

So anyway, just four minutes and 25 seconds in the integration. If I can get some more data, I will probably add to it.

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Status	Advanced success
Started	...
Astrometry.net job	5806881
PixInsight job	4GHIOY3C2O76V5LRGSTM0I0LVM4Y44V0
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h03m25s.86
RA (top/left)	17h59m06s.10
RA (top/right)	17h58m37s.35
RA (bottom/right)	18h07m51s.70
RA (bottom/left)	18h08m08s.91

Dec (center)	-23°41′43″.1
Dec (top/left)	-22°19′12″.6
Dec (top/right)	-24°59′30″.3
Dec (bottom/right)	-25°03′41″.10
Dec (bottom/left)	-22°23′23″.2

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Lagoon and Trifid Nebulae (below 14 deg altitude and in under 5 mins)

Lagoon and Trifid Nebulae (below 14 deg altitude and in under 5 mins)

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Image Index:

Contribution Index (beta):

Lagoon and Trifid Nebulae (below 14 deg altitude and in under 5 mins)

Lagoon and Trifid Nebulae (below 14 deg altitude and in under 5 mins)

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