SH2-124 | The Almost Nothing Nebula (Kevin Morefield)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Sh2-124

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SH2-124 | The Almost Nothing Nebula

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SH2-124 | The Almost Nothing Nebula

Well, I called this the "Almost Nothing" Nebula because every reference I ran across states that there is "Almost Nothing" written about SH2-124. It has been imaged here on AB about 25 times but none has received a Top Pick or IOTD, so its profile is pretty low.

Almost Nothing is located in Cygnus where it seems is almost everything during the Summer! This resembles the Trifid a bit and that's what caught my eye.

The color mix here is SHO and the Luminance is Ha. I ran Photometric Color Correction prior to stretching with Arc Sinh stretch. I stretched both the SHO mix and the Ha with Arc Sinh. I don't normally stretch the Luminance channel with Arc Sinh, but I needed to reduce the stars and Arc Sinh is good at that. This is a rich star field and and the stars were hiding the nebulosity.

Stars were removed using the PS fill command on a star selection I created using StarNet++ and a difference layer. That allowed me to be more aggressive with Saturation, High Pass Filtering, Unsharp Masking, and curves. Stars were added back at the end. Star color is the calibrated Narrowband data.

Original
Final
B

B

Description: Curves adjustment

Uploaded: ...

Sharpless2 Objects
QHY Users Group
Fine Art Astrophotography
Narrowband imaging

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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	3767861
PixInsight job	B46637DRNWTSBKRK5T1LSZPWM8HPL2DY
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	21h38m57s.934
RA (top/left)	21h40m51s.749
RA (top/right)	21h36m14s.943
RA (bottom/right)	21h37m05s.738
RA (bottom/left)	21h41m39s.967

Dec (center)	+50°20′53″.14
Dec (top/left)	+50°41′17″.22
Dec (top/right)	+50°29′13″.84
Dec (bottom/right)	+50°00′22″.11
Dec (bottom/left)	+50°12′17″.88

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SH2-124 | The Almost Nothing Nebula

SH2-124 | The Almost Nothing Nebula

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SH2-124 | The Almost Nothing Nebula

SH2-124 | The Almost Nothing Nebula

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