Bubble Nebula - up close - HOO (Simon)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · HD220057 · LBN 548 · LBN 549 · NGC 7635 · Sh2-162

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Bubble Nebula - up close - HOO

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Bubble Nebula - up close - HOO

I managed 165 subs of Ha and 145 subs of OIII, each at 2 minutes long. I wanted to take longer length subs, but due to the conditions I had to settle for these shorter imaging times. Either way, this is the best image I have taken of the bubble nebula, although the OIII data was hard to get, and hard to work with - as normal! I have never used my Classic Cassegrain with narrowband filters before, and whilst it is a bit trickier doing so because I am running it at an effective f9 rather than the native f12, and at an effective focal length of 1827mm, what it does do is create a very nice field of view. What I am especially happy about is the fact that I have managed to get some faint OIII coming through just north, or NNW, of the bubble - a gentle delicate swirl. The imaging time was 10 hours and 20 minutes. Hoping you like it, and take care...

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Status	Advanced success
Started	...
Astrometry.net job	6252619
PixInsight job	8CDCWWD0HH7TKSFDNSYQ5CTCZVZR0ZIC
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h20m47s.406
RA (top/left)	23h22m30s.846
RA (top/right)	23h22m22s.143
RA (bottom/right)	23h19m01s.979
RA (bottom/left)	23h19m14s.540

Dec (center)	+61°10′53″.93
Dec (top/left)	+60°53′25″.68
Dec (top/right)	+61°29′07″.59
Dec (bottom/right)	+61°28′17″.16
Dec (bottom/left)	+60°52′35″.27

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Bubble Nebula - up close - HOO

Bubble Nebula - up close - HOO

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Bubble Nebula - up close - HOO

Bubble Nebula - up close - HOO

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