Sh2-119 - Clamshell Nebula
Sh2-119 - Clamshell Nebula
Sharpless 119, also known as the Clamshell Nebula, is a large complex of emission nebulosity in Cygnus, about 2 degrees east of the much more famous North America Nebula.
It is located just around 68 Cygni, a quite bright star of magnitude 5 and one of the stars responsible for ionizing the surrounding gas.
Sharpless actually describes it as Type 3, "bright" in his famous "Catalogue of H II Regions" published in 1959. Interestingly, there are several dark lanes and dark globules overlaying the nebula. The area is part of the Milky Way and is populated by numerous stars.
This image is acquired with SPA-1 (Takahashi FSQ-106ED). Data from 6 one-click observations.
Total integration time 360 minutes
SHO: 12 sub-frames of 600s with each filter.
Processing with PixInsight (using Autointegrate.js script from Jarmo Ruuth), StarXTerminator, Photoshop CC with AstroPanel Pro, Astronomy Tools, Topaz Sharpen AI and NoiseXTerminator plug-ins.
It is located just around 68 Cygni, a quite bright star of magnitude 5 and one of the stars responsible for ionizing the surrounding gas.
Sharpless actually describes it as Type 3, "bright" in his famous "Catalogue of H II Regions" published in 1959. Interestingly, there are several dark lanes and dark globules overlaying the nebula. The area is part of the Milky Way and is populated by numerous stars.
This image is acquired with SPA-1 (Takahashi FSQ-106ED). Data from 6 one-click observations.
Total integration time 360 minutes
SHO: 12 sub-frames of 600s with each filter.
Processing with PixInsight (using Autointegrate.js script from Jarmo Ruuth), StarXTerminator, Photoshop CC with AstroPanel Pro, Astronomy Tools, Topaz Sharpen AI and NoiseXTerminator plug-ins.
SPECIFICATIONS
Telescope
SPA1 Takahashi FSQ-106ED
Camera
FLI PL16803
Location
IC Astronomy Observatory, Oria, Spain
Date of observation
8/08 - 13/08/2022
Filters
SHO
Processing
PixInsight, StarXTerminator, Photoshop CC with AstroPanel Pro, Astronomy Tools, Topaz Sharpen AI and NoiseXTerminator plug-ins
Credits
One-click observations TL
