Wallpaper author:
Dev Prana
12 Jul 2026
Cygnus Loop (HSO Tricolor blend)
The Cygnus Loop is a massive, expanding supernova remnant and emission nebula in the constellation Cygnus, located about 2,600 light-years from Earth. Measuring 120 light-years across and spanning six full moons in the night sky, its brightest visible filaments are collectively known as the Veil Nebula. Only 4 and half hrs worth of narrowband Ha, Sii, Oiii data from Telescope Live remote observatory in Almeria, Spain. Pre and Post processing in Pixinsight and Paintshop pro.
Dataset from which the image was processed
Sh 2-103
3 credit
- Type of target............................................................................................................................Supernova Remnant
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 312.7083 Dec 30.7344
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................29 Jun 2023 - 15 Jul 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| OIII | 300 | 1h30m | 18 |
| SII | 300 | 1h30m | 18 |
| Halpha | 300 | 1h30m | 18 |