M17 "A Nebula of Fire and Ice" (Brian Boyle)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: Checkmark Nebula · IC 4706 · IC 4707 · LBN 60 · Lobster Nebula · M 17 · NGC 6618 · Sh2-45 · Swan Nebula · omega Nebula

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M17 "A Nebula of Fire and Ice"

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M17 "A Nebula of Fire and Ice"

One of my favourite southern nebula, along with the Dragons of Ara. Variously referred to as the Swan, Omega, Checkmark and Horseshoe nebula. Personally, I like the Game-of-Thrones inspired "Fire and Ice Nebula" because of the remarkable appearance in narrow band. Whatever the name, it is a more distant, more side-on version of the Orion nebula.

In these parts, the weather this winter has not been good for either skiers or astrophotographers. A harsh temperature inversion layer has settled in, preventing snowmaking at the top of the mountain frustrating astrophotography at the bottom

Nevertheless between the foggy bands, I managed to collect a few hours over the two weeks, and I was pleasantly surprised by the results. I had hoped for better weather to collect more Ha data, but it looks like the fog has settled in. I will include a revision with more data when I collect it, but for now this serves as helpful benchmark for me.

New Zealand Astrophotography
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Status	Advanced success
Started	...
Astrometry.net job	7883337
PixInsight job	2CJX8PHCOYI56NKKP1N73BTHZBZRJ2ZW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h20m41s.362
RA (top/left)	18h22m35s.894
RA (top/right)	18h18m28s.846
RA (bottom/right)	18h18m46s.544
RA (bottom/left)	18h22m54s.512

Dec (center)	-16°06′50″.90
Dec (top/left)	-15°43′45″.50
Dec (top/right)	-15°50′18″.50
Dec (bottom/right)	-16°29′55″.46
Dec (bottom/left)	-16°23′22″.87

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M17 "A Nebula of Fire and Ice"

M17 "A Nebula of Fire and Ice"

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M17 "A Nebula of Fire and Ice"

M17 "A Nebula of Fire and Ice"

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