Lobster Claw Nebula (Sh2-157) & Bubble Nebula (NGC 7635) - SHO + RGB stars (Jon Gascoyne)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · HD219286 · HD219287 · HD219854 · HD220016 · HD220057 · HD220102 · HD220167 · HD240248 · HD240250 · HD240256 · HD240267 · LBN 533 · LBN 536 · LBN 537 · LBN 540 · LBN 543 · LBN 544 · LBN 548 · LBN 549 · LDN 1231 · NGC 7510 · NGC 7635 · Sh2-157 · Sh2-159 · Sh2-162

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Lobster Claw Nebula (Sh2-157) & Bubble Nebula (NGC 7635) - SHO + RGB stars

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Lobster Claw Nebula (Sh2-157) & Bubble Nebula (NGC 7635) - SHO + RGB stars

Sharpless 157, also known as the Lobster Claw Nebula, is a bright emission nebula in the constellation Cassiopeia. It lies just south of the better-known Bubble Nebula (NGC 7635), located in the top right corner of the image. A close up view of the Bubble is published here https://www.astrobin.com/kmarnl/

Other objects within the image include Planetary Nebula PLN 110-0.1, Lyn's Bright Nebula 537 (LBN537), also known as Sharpless 157a, and open cluster NGC 7510 visible just below the bottom pincer of the claw.

Data acquired by @Brian Puhl using his private observatory in Hertford, North Carolina, USA
Available from the Starbase website at https://starbase.insightobservatory.com/imageset/254

Emission Nebulae

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Status	Advanced success
Started	...
Astrometry.net job	9459467
PixInsight job	GEA7IZGBNICEEPFQEJCT7YE8NMZ3CUJ7
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h16m26s.52
RA (top/left)	23h22m01s.14
RA (top/right)	23h21m55s.60
RA (bottom/right)	23h10m29s.55
RA (bottom/left)	23h11m18s.55

Dec (center)	+60°22′39″.10
Dec (top/left)	+59°21′23″.4
Dec (top/right)	+61°25′27″.10
Dec (bottom/right)	+61°23′09″.5
Dec (bottom/left)	+59°19′12″.3

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Lobster Claw Nebula (Sh2-157) & Bubble Nebula (NGC 7635) - SHO + RGB stars

Lobster Claw Nebula (Sh2-157) & Bubble Nebula (NGC 7635) - SHO + RGB stars

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Lobster Claw Nebula (Sh2-157) & Bubble Nebula (NGC 7635) - SHO + RGB stars

Lobster Claw Nebula (Sh2-157) & Bubble Nebula (NGC 7635) - SHO + RGB stars

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