The Lobster Claw and its cavitation bubble (OlympusMons-UMONS)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 4 Cas · Bubble Nebula · HD218375 · HD218439 · HD218997 · HD219286 · HD219460 · HD219634 · HD219854 · HD219978 · HD220016 · HD220056 · HD220057 · HD220074 · HD220102 · HD220130 · HD220147 · HD220167 · HD220180 · HD220369 · HD220770 · HD220819 · HD221037 · HD221038 · HD221143 · HD240233 · HD240244 · HD240245 · HD240248 · HD240250 · And 43 more.

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The Lobster Claw and its cavitation bubble

Link: https://www.instagram.com/dwj85/

Powered byPixInsight

The Lobster Claw and its cavitation bubble

Link: https://www.instagram.com/dwj85/

This image is a mosaic of two panels. When I imagined and started to shoot the first time this target in mosaic (on February), I thought that was original. Since then, I've seen a lot of others doing this. Anyway, I am pleased to share my version of the Lobster Claw and the Bubble Nebula. This picture is plenty of various objects (Nebulae, Stars clusters).First of all, we can notice the presence of the Bubble Nebula (NGC 7635), an emission nebula located 8 000 light-years away in the constellation Cassiopeia with a size of approximately 10 light years. Beside, there is the biggest nebula of this picture, the so called The Lobster Claw Nebula, SH2-157. This Nebula is an emission nebula located about 11,000 light-years away in the constellation of Cassiopeia, as well. Beside, small Nebula (Sh2-159) as well as a small open cluster NGC 7510 (on the left) can be identified. Other objects are also probably present close to those Nebulae such as Planetary Nebulae. Indeed, one of them needed to be cropped due to a bad alignment between the H/O filters and RGB. Anyway, I will probably add it later in this comment.Finally, we can also see just along the Bubble, an open star cluster call M52.

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Status	Advanced success
Started	...
Astrometry.net job	8417557
PixInsight job	KF7J1DHV17VRPVN1GYDXNQY6ZINJV987
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h17m34s.232
RA (top/left)	23h03m37s.650
RA (top/right)	23h24m44s.237
RA (bottom/right)	23h32m37s.344
RA (bottom/left)	23h09m28s.866

Dec (center)	+61°08′35″.74
Dec (top/left)	+59°54′36″.89
Dec (top/right)	+59°13′37″.27
Dec (bottom/right)	+62°16′49″.19
Dec (bottom/left)	+63°02′02″.80

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The Lobster Claw and its cavitation bubble

The Lobster Claw and its cavitation bubble

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