Flying bat nebula - HOO - nightmare! (Simon)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: B152 · HD201047 · HD201063 · HD201344 · HD201429 · HD202214 · HD202380 · HD202519 · HD203025 · HD203232 · HD203265 · HD203338 · HD203339 · HD203374 · HD203376 · HD203534 · HD203550 · HD203551 · HD203574 · HD203627 · HD203695 · HD239582 · HD239605 · HD239618 · HD239626 · LBN 441 · LBN 445 · LBN 446 · LBN 449 · LBN 453 · And 3 more.

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Flying bat nebula - HOO - nightmare!

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Flying bat nebula - HOO - nightmare!

Well, this was hard work. Some of the objects people say are faint, I do not always have a problem with, but this lives up to its name - very faint indeed! The Ha element of the object was fine, but the 'squid' part (OU4) was so tough, and it is purely OIII. I took just over 8 hours worth of OIII data, under an average sky, but I simply needed at least twice as much and a darker sky. I could barely see the 'squid' in the OIII stack, and I have literally scraped the bottom out of the OIII data to produce this image. I know it is not up to the standards of some, but this is a real achievement for me and I am happy with it, considering what I was up against. I won't be imaging this again for a long time - and I will not be adding more OIII data to it. This is it for now and I do hope you enjoy it. Thanks. Simon

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Status	Advanced success
Started	...
Astrometry.net job	8602203
PixInsight job	PX8839ICHA6T9VF70GXV195G7X7DP7E2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h12m59s.99
RA (top/left)	21h00m55s.13
RA (top/right)	21h03m13s.92
RA (bottom/right)	21h23m51s.39
RA (bottom/left)	21h23m57s.79

Dec (center)	+60°02′56″.4
Dec (top/left)	+61°48′00″.6
Dec (top/right)	+58°08′23″.5
Dec (bottom/right)	+58°14′06″.9
Dec (bottom/left)	+61°54′30″.4

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Flying bat nebula - HOO - nightmare!

Flying bat nebula - HOO - nightmare!

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Flying bat nebula - HOO - nightmare!

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