SH2-119 (Clamshell Nebula) in Foraxx Palette (Ha/OIII and Hb/SII) (Miguel A.)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 68 A Cyg · HD201870 · HD201924 · HD201935 · HD202068 · HD202124 · HD202253 · HD202312 · HD202347 · HD202568 · HD202617 · HD202664 · HD202710 · HD202720 · HD202810 · HD202862 · HD203578 · HD204050 · HD204132 · HD204171 · HD204262 · HD204306 · HD204375 · HD204402 · HD204522 · LBN 383 · LBN 389 · LBN 390 · LBN 391 · LBN 393 · And 24 more.

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SH2-119 (Clamshell Nebula) in Foraxx Palette (Ha/OIII and Hb/SII)

Link: https://fotografiabymiguel.com/2023/10/29/2023-missouri-the-consigned-to-oblivion-clamshell-nebula-sh2-119-in-narrowband/

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

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SH2-119 (Clamshell Nebula) in Foraxx Palette (Ha/OIII and Hb/SII)

Link: https://fotografiabymiguel.com/2023/10/29/2023-missouri-the-consigned-to-oblivion-clamshell-nebula-sh2-119-in-narrowband/

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

I had the opportunity to take advantage of a rare stretch of clear nights and decided to try my luck at capturing a very faint target. According to my research, the magnitude of Sh2-119 varies depending on the wavelength of the light and the area of the nebula that is measured. Sky and Telescope estimates its magnitude at 13.5. Since this was a challenging object to capture, I dedicated three nights and over 30 hours to collecting several hundred long exposure images - precisely 388. Processing these images will be a fun challenge.. Sh2-119 was imaged over three nights in October 2023—dual telescopes, images were captured using two ZWO cameras one APS-C and one Full Frame.

WO Redcat 51 Group
Narrowband imaging
The OSC Club (One Shot Camera)
Antlia ALP-T 5nm Dual Narrowband Filter
Central USA
ASI6200MC PRO
Duo-band, Tri-band, and Quad-band Imaging
ZWO ASI 2600MC PRO
ZWO AM5
Beginners AP
The refractors!
CMOS Imagers
N.I.N.A. Users
William Optics CAT Series
Askar Telescopes

2023 Nebula

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Status	Advanced success
Started	...
Astrometry.net job	8662760
PixInsight job	JVPL9I97PJTSXQ1F2PLO69YVPJPYB826
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h19m12s.40
RA (top/left)	21h27m38s.81
RA (top/right)	21h27m51s.61
RA (bottom/right)	21h10m07s.25
RA (bottom/left)	21h11m10s.22

Dec (center)	+43°58′44″.2
Dec (top/left)	+41°47′54″.6
Dec (top/right)	+46°10′20″.7
Dec (bottom/right)	+46°07′06″.4
Dec (bottom/left)	+41°44′46″.6

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SH2-119 (Clamshell Nebula) in Foraxx Palette (Ha/OIII and Hb/SII)

SH2-119 (Clamshell Nebula) in Foraxx Palette (Ha/OIII and Hb/SII)

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SH2-119 (Clamshell Nebula) in Foraxx Palette (Ha/OIII and Hb/SII)

SH2-119 (Clamshell Nebula) in Foraxx Palette (Ha/OIII and Hb/SII)

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