“HOO” in HSO – The Owl Nebula, M97 in Narrowband (David Payne)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: HD97302 · M 97 · NGC 3587 · Owl Nebula · PGC 2481299 · PGC 2481387 · PGC 2482169 · PGC 2482280 · PGC 2483306 · PGC 2484482 · PGC 2487391 · PGC 2489233 · PGC 2489976 · PGC 2490291 · PGC 2490640 · PGC 2490901 · PGC 2493264 · PGC 2494570 · PGC 2815950 · PGC 34279

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“HOO” in HSO – The Owl Nebula, M97 in Narrowband

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“HOO” in HSO – The Owl Nebula, M97 in Narrowband

“HOO” in SHO – The Owl Nebula, M97 in NarrowbandPlanewave CDK12.5; AP 1100GTO AE; ASI6200MM, - Antlia Pro 3.5nm Narrowband filters;
SHO: (40,40,40 x 420s, Bin 1, Gain 200); Total integration time = 14.0 hrs (Apr 16,17,18,19,21 2024)

An HSO palette was chosen to display the channel colours for this narrowband version of the Owl Planetary Nebula or M97, although a blended palette was used for a realistic star colour.
M97 lies about 2000 lys away, and its light first arrived to us 8,000 years ago from Ursa Major when its sun like star started to become a white dwarf, centred on the nebulous orb consisting of material originating from the star.
Initially, M97 looks as if it is circular but the frames look like the nebulous orb as been shifted and double exposed with two dark areas offsetting the central star. I was determined, via narrowband filters, to see if I could resolve any internal structure despite its fuzzy appearance. Also I was looking for traces of the O3 signal dominated halo that exists. Both the structure and halo are less evident in my other M97 images. Usually, M97 is shot in HOO, but I wanted to include the sulfur filter to see if I could include a bit more colour (just for a HOOT).

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Status	Advanced success
Started	...
Astrometry.net job	9897611
PixInsight job	7UHY422H1Z6J3S30DIDOBCO5EFS86BV8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	11h13m47s.534
RA (top/left)	11h11m34s.514
RA (top/right)	11h15m57s.716
RA (bottom/right)	11h16m01s.963
RA (bottom/left)	11h11m36s.220

Dec (center)	+55°00′49″.00
Dec (top/left)	+54°48′30″.50
Dec (top/right)	+54°47′52″.92
Dec (bottom/right)	+55°12′58″.16
Dec (bottom/left)	+55°13′36″.31

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“HOO” in HSO – The Owl Nebula, M97 in Narrowband

“HOO” in HSO – The Owl Nebula, M97 in Narrowband

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“HOO” in HSO – The Owl Nebula, M97 in Narrowband

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