First shot at narrowband - M16 in Ha (Pam Whitfield)

Celestial hemisphere: Southern · Constellation: Serpens (Ser) · Contains: Eagle Nebula · IC 4703 · LBN 67 · LBN 68 · M 16 · NGC 6611 · Sh2-49 · Star Queen · Star Queen nebula

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First shot at narrowband - M16 in Ha

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First shot at narrowband - M16 in Ha

Had a first go at narrow-band on a disgustingly humid night from my light-polluted back yard. Used M16 again as it's well placed at the moment. Quite pleased with how this stack of three 600s subs came out.

It was supposed to be much longer but the gremlin of the focuser extensions coming loose struck again so only 30mins, no Oiii, no Sii and no flats. I'm fed up enough that I'm going to throw money (Moonlight focuser with stepper motor) and loctite at the problem....

Anyway...

3x 600s -15oC binned 1x1

Update - another bite at the cherry...

Collected some new data last night at TAO with some brute force and plenty of ignorance on the screw connections. This time the image train seemed to stay put. The new one is 7 600s subs of Ha at -15oC with 11 dark frames and a new set of bias frames.

Original
B
Final
C

C

Description: Uploaded the original but then I reprocessed the original data and was pretty brutal in the processing! Topaz denoise lets you get away with all sorts of things :-)

Uploaded: ...

Yorkshire Astro Imaging

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Status	Advanced success
Started	...
Astrometry.net job	3517126
PixInsight job	SL64S22OTOA6XJQEWRLGQNEOJXXHELIA
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h18m42s.64
RA (top/left)	18h17m32s.93
RA (top/right)	18h17m24s.54
RA (bottom/right)	18h19m52s.55
RA (bottom/left)	18h20m00s.55

Dec (center)	-13°51′45″.4
Dec (top/left)	-13°29′51″.7
Dec (top/right)	-14°11′55″.2
Dec (bottom/right)	-14°13′37″.9
Dec (bottom/left)	-13°31′34″.0

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First shot at narrowband - M16 in Ha

First shot at narrowband - M16 in Ha

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First shot at narrowband - M16 in Ha

First shot at narrowband - M16 in Ha

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