Wallpaper author:
Peter Cerveny
26 Jun 2025
Sh2-240 Spaghetti Nebula (Simeis147)
I tried a SHO and a HOO stack from this dataset.
For my taste this HOO gives a more naturally picture.
Processed with Siril 1.4.0 beta2 and PS CC.
Dataset from which the image was processed
Sh 2-240
4 credit
- Type of target............................................................................................................................Supernova Remnant
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 85.25 Dec 28.0833
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................05 Apr 2023 - 25 Aug 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 300 | 1h45m | 21 |
| SII | 300 | 1h45m | 21 |
| OIII | 300 | 1h45m | 21 |