Lobster Claw and Bubble Nebula (Anthony Glas)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: 2 Cas · Bubble Nebula · HD218439 · HD218440 · HD218997 · HD219286 · HD219287 · HD219460 · HD219634 · HD220057 · HD220102 · HD220167 · HD220369 · HD240233 · HD240244 · HD240245 · HD240248 · HD240250 · HD240252 · HD240253 · HD240256 · HD240264 · HD240295 · IC 1470 · LBN 533 · LBN 536 · LBN 537 · LBN 540 · LBN 542 · LBN 543 · And 17 more.

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Lobster Claw and Bubble Nebula

Powered byPixInsight

Lobster Claw and Bubble Nebula

Lobster Claw and Bubble Nebula
In this imaging session I went for this incredibly rich area containing the Bubble and Lobster Claw Nebula; it was tricky to decide how to frame this as there are several interesting nearby star clusters and nebulae to these main objects.
In processing this I wanted to go for a classic gold/blue SHO color palette with RGB stars. I approached this using starless processing techniques (Jimmy's guide).
No more wacky corner stars as with the previous images, yet now all the stars have weird shapes! Still some work to be done with back focusing I believe.
There remains the two strange vertical bands in the image, I'm trying to figure out what could be the source of these. For the next session I will have to investigate these lines more closely.
Imaged from a Bortle 5 area; acquisition using NINA; processed in PI.

Acquisition:
33 x 300s Ha
32 x 300s Oiii
32 x 300s Sii
33 x 30s R
33 x 30s G
33 x 30s B
8h 55m total

Equipment:
EQ6-R Pro
William Optics GT81 w/ 6AIII flattener
QHY163M w/ Antlia 3nm SHO & Antlia V-Series LRGB

Processing:
WBPP
BlurX
Combined RGB
SPCC
DBE
StarXTerminator
Combined SHO
SCNR (all green)
HistogramTransformation
CurvesTransformation
Noise reduction & sharpening (NoiseX, MultiscaleLinearTransform)
Star addition using PixelMath (https://www.nightphotons.com/guides/star-addition)
DarkStructureEnhance
Final color corrections

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Status	Advanced success
Started	...
Astrometry.net job	8890077
PixInsight job	0X0CTLTFNG78U8U2T2G95JF1VL7Q3IHT
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h15m01s.20
RA (top/left)	23h16m42s.45
RA (top/right)	23h01m56s.60
RA (bottom/right)	23h13m28s.96
RA (bottom/left)	23h28m18s.89

Dec (center)	+60°30′19″.7
Dec (top/left)	+62°08′06″.10
Dec (top/right)	+60°12′47″.10
Dec (bottom/right)	+58°52′26″.2
Dec (bottom/left)	+60°43′05″.10

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Lobster Claw and Bubble Nebula

Lobster Claw and Bubble Nebula

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Lobster Claw and Bubble Nebula

Lobster Claw and Bubble Nebula

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