Wallpaper author:
Michelle Ashford
27 Dec 2025
SH2-240 - Christmas Splendour!
Another lovely addition to my 'cosmic Christmas Tree. The Spaghetti Nebula, also known as Simeis 147 and SH2-240 is a supernova remnant (SNR) in the Milky Way straddling the border between the constellations Auriga and Taurus.
This is a very large nebula, about 3 degrees across in apparent diameter (6 full moons across the sky). Some 40,000 years ago, a massive star exploded and left this expanding shell of gas. It is approximately 3,000 light years from Earth.
Dataset from which the image was processed
Sh 2-240
5 credit
- Type of target............................................................................................................................Supernova Remnant
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 85.0208 Dec 27.9775
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................19 Nov 2023 - 15 Dec 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| SII | 300 | 2h30m | 30 |
| Halpha | 300 | 2h30m | 30 |
| OIII | 300 | 2h30m | 30 |