Sh2-115 – An Emission Nebula in Cygnus + Rani Astro + L-UItimate

source:Optolongpopularity:0Release Time:2026-10-31

Sh2-115 – An Emission Nebula in Cygnus

Credits: Rani Astro

Filters: Optolong L-UItimate 3nm dualband filter

 

 

 

Sh2-115 – An Emission Nebula in Cygnus

Here is Sh2-115, a vast emission nebula located in the constellation of Cygnus, approximately 7,500 light-years from Earth.

This region of ionized gas, illuminated by young massive stars, reveals beautiful filaments and intricate structures.

The colors reveal the different gases:

Hα: ionized hydrogen
SII: ionized sulfur
OIII: ionized oxygen

 

 

 

 

Imaging telescope: William Optics RedCat 61
ASI2600MC Pro
AM5
ASI120MM Mini
EAF Autofocus
ASIAir Plus

Lights : 6 nights
Optolong L-Ultimate 2" — 17 h
SII 3 nm SERIES PRO 2" — 12 h
Flats : 40
Darks: 30
Bortle: 5
Processing : PixInsight   

Hope you like it.