Soap Bubble Nebula (Debra Ceravolo)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg)

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Soap Bubble Nebula

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Soap Bubble Nebula

I have wanted to image this planetary nebula since it was first discovered in 2008. The field of view is only 12 arc minutes wide, no cropping. It’s a total of 44.5 hours of data that I captured from 23 nights of imaging from August 11-Oct. 22, 2020. Oh and I threw out about 25 hours of data. This image scale is a big challenge. I used my processing technique which I call ‘Spectral Palette’ using Ha in red close to its wavelength, OIII as a green/blue close to its wavelength and Hb as blue close to its wavelength. The stars are from regular RGB filters. The colour of the gold bubble is a combination of Ha and OIII, which is correct as when you add red and green light, you get yellow. There was a lot of OIII in the bubble. The Hb adds blue to the red nebulosity giving a more fuchsia richer colour. Hb shines through when there is little dust to attenuate it. I think it looks like a Christmas tree ornament in front of a lit-up Christmas tree. It's such a perfect sphere.

R: G: B: Ha: OIII: Hb 3.5: 3.0: 3.5: 15: 9: 10 hours

Original
Final
B

B

Description: I reprocessed this using Adam Block's instruction on fixing star halos shown here https://www.adamblockstudios.com/categories/pixinsighttv_episodes. I also acquired this image in 2 X 2 binning, and am keeping it in its native resolution.

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Status	Advanced success
Started	...
Astrometry.net job	4090158
PixInsight job	FATB9H9RH8BF13I2C5CZP0D9JUNRU89X
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h15m21s.411
RA (top/left)	20h15m59s.177
RA (top/right)	20h14m43s.956
RA (bottom/right)	20h14m43s.766
RA (bottom/left)	20h15m58s.682

Dec (center)	+38°02′54″.29
Dec (top/left)	+38°08′49″.66
Dec (top/right)	+38°08′54″.70
Dec (bottom/right)	+37°56′57″.90
Dec (bottom/left)	+37°56′52″.40

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Soap Bubble Nebula

Soap Bubble Nebula

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Soap Bubble Nebula

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