Bubble & Co (NGC7635, NGC7538, Sh2-159) HaRGB (Göran Nilsson)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · NGC 7538 · NGC 7635 · Sh2-158 · Sh2-159 · Sh2-162

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Bubble & Co (NGC7635, NGC7538, Sh2-159) HaRGB

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Bubble & Co (NGC7635, NGC7538, Sh2-159) HaRGB

I spent Friday night collecting 13 hours on the well known Bubble nebula (NGC7635) together with two less known emission nebulas, Sh2-159 (down to the right) and NGC7538 (upper right). Aladin Sky Atlas gives no name for the black nebulosity in the centre.

RGB collected with Esprit 150 and ASI071 (75 x 5 min). Ha collected with Esprit 100 and ASI1600 (27 x 15 min, Baader 3.5 nm Ha). Both side by side on the Mesu 200 in my obsy. Ha added to the red channel in blend mode Lighten as 50%.

The Bubble nebula came clearly out as more bluish-red than the others so expect there may be quite a bit of Oiii in it.

Clouds moved in at 0100 and they have apparently decided to remian for at least a week.....

Original
B
C
Final
D

B

Description: Added more Ha as Darken layer to bring out more faint dust

Uploaded: ...

The OSC Club (One Shot Camera)
Sharpless2 Objects
ASI 071 mcc

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Status	Advanced success
Started	...
Astrometry.net job	3365413
PixInsight job	F58FYP8EYTUJFP5YM27GLO88NUGNPBU5
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	23h17m30s.96
RA (top/left)	23h23m32s.88
RA (top/right)	23h12m10s.57
RA (bottom/right)	23h11m38s.31
RA (bottom/left)	23h22m38s.63

Dec (center)	+61°17′57″.9
Dec (top/left)	+61°39′53″.1
Dec (top/right)	+61°47′52″.7
Dec (bottom/right)	+60°55′04″.6
Dec (bottom/left)	+60°47′05″.2

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Bubble & Co (NGC7635, NGC7538, Sh2-159) HaRGB

Bubble & Co (NGC7635, NGC7538, Sh2-159) HaRGB

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Bubble & Co (NGC7635, NGC7538, Sh2-159) HaRGB

Bubble & Co (NGC7635, NGC7538, Sh2-159) HaRGB

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B

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