Lobster Claw and Bubble nebulae.... and a glimpse of the Cas A nebula (Des McMorrow)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 1 Cas · 2 Cas · 4 Cas · Bubble Nebula · HD217657 · HD217711 · HD217730 · HD217817 · HD217850 · HD217872 · HD217943 · HD217944 · HD217966 · HD217979 · HD218066 · HD218067 · HD218139 · HD218187 · HD218195 · HD218229 · HD218342 · HD218375 · HD218439 · HD218440 · HD218450 · HD218468 · HD218537 · HD219286 · HD219287 · HD219634 · And 74 more.

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Lobster Claw and Bubble nebulae.... and a glimpse of the Cas A nebula

Powered byPixInsight

Lobster Claw and Bubble nebulae.... and a glimpse of the Cas A nebula

Took the opportunity while on holiday in France under Bortle 3 skies to image a fairly faint object that may have been difficult from home.

There is a also a hint of the bright blue Cas A nebula in the top left quadrant of the image. It seems as if this object is rarely imaged by amateurs being small and dim, yet it is of astrophysical significance as being the strongest emitter at radio frequencies above 1GHz outside of our solar system.

Update 25/9/2021
The new revision was to tidy up various aspects of the original posting, most notably the brighter parts of several nebulae being blown out. Big thank you to Lee (https://www.astrobin.com/users/geeklee/) for his patience in coaching me to improve my PI workflow.

Original
B
Final
C

WO Redcat 51 Group
Yorkshire Astro Imaging

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Status	Advanced success
Started	...
Astrometry.net job	5036775
PixInsight job	52RX1B1727C6I7HAL9TMQQZI6CRAU28F
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h16m10s.43
RA (top/left)	23h28m49s.28
RA (top/right)	23h33m35s.91
RA (bottom/right)	23h01m06s.15
RA (bottom/left)	23h01m22s.21

Dec (center)	+60°54′00″.6
Dec (top/left)	+58°03′34″.1
Dec (top/right)	+63°26′59″.1
Dec (bottom/right)	+63°38′53″.4
Dec (bottom/left)	+58°13′42″.6

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Lobster Claw and Bubble nebulae.... and a glimpse of the Cas A nebula

Lobster Claw and Bubble nebulae.... and a glimpse of the Cas A nebula

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Lobster Claw and Bubble nebulae.... and a glimpse of the Cas A nebula

Lobster Claw and Bubble nebulae.... and a glimpse of the Cas A nebula

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