Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  M 52  ·  NGC 7510  ·  NGC 7538  ·  NGC 7635  ·  NGC 7654  ·  PK110-00.1  ·  PK112-00.1  ·  Sh2-157  ·  Sh2-158  ·  Sh2-159  ·  Sh2-161  ·  Sh2-162
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Lobster Claw & Bubble Nebulae (Sh2-157, NGC 7635), dswtan
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Lobster Claw & Bubble Nebulae (Sh2-157, NGC 7635)

Getting plate-solving status, please wait...
Lobster Claw & Bubble Nebulae (Sh2-157, NGC 7635), dswtan
Powered byPixInsight

Lobster Claw & Bubble Nebulae (Sh2-157, NGC 7635)

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Description

Back to the gas clouds after galaxy season and some equipment trouble. At least the smoke is staying away, unlike much of the US.

First run at this famous pair. Would like to do some narrower fields in due course, but maybe another season -- too many targets!

My usual simple SHO workflow. Lots of EZ, etc. Indulged a bit of Topaz DeNoise AI on this one, but super gentle. Had to fix some border issues due to rotation. This is an FB post image, not science!

11.6hrs total integration, July 18-28, over 4 nights of 3hrs each.
219 x60sec S2
220 x60sec Ha
259 x60sec O3

https://en.wikipedia.org/wiki/NGC_7635

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Lobster Claw & Bubble Nebulae (Sh2-157, NGC 7635), dswtan