SH2-119 - The Clamshell Nebula in Cygnus (SHO)

Object: Sh2-119 – The Clamshell Nebula in Cygnus (HST or SHO palette) – 2022

Sharpless-119 is an emission nebula located in the constellation of Cygnus. It is an often-overlooked target in that area as it is overshadowed by its more famous neighbors, the North American Nebula and the Pelican Nebula. The bright star 68 Cygni (a hot blue giant) is central to the structure of the nebula and is likely expanding into a supergiant

Distance of SH2-119 from Earth: ~2200 light years.

 

Details:

- Acquisition Date: 10/18/2022 to 10/22/2022

- Location: Western Massachusetts, USA

- Imaging Camera: QHY600PH-M -10°C - Mode 1(High Gain) Offset:15 Gain:56

- Telescope: Takahashi FSQ106 EDXIII @ f/5 (530mm focal length - 106mm aperture)

- Mount: Astro-Physics AP1100 w/GTO4

- Guide scope: Celestron Off Axis Guider

- Guide Camera: ASI174m mini

- Software: Adobe Photoshop CS5, Sequence Generator Pro, PixInsight 1.8 Ripley, Aries Astro Pixel Processor

 

Filters:

- Chroma Ha 3nm 50mm

- Chroma OIII 3nm 50mm

- Astrodon SII 3nm 50mm

 

Exposure TImes:

- Hydrogen Alpha (Ha): 39 x 10min. (390min) bin 1x1

- Oxygen III (OIII):37 x 10min. (370min) bin 1x1

- Sulfur II (SII):33 x 10min. (330min) bin 1x1

 

Total Exposure:1090min. (18.17hrs)

 

Sky Quality:

-Magnitude: 19.71

-Bortle Class 5

-1.41 mcd/m^2 Brightness

-1234.6 ucd/m^2 Artificial Brightness

 

 

Done