Wallpaper author:
Bernard Miller
16 Oct 2026
Abell 85 - The Medulla Nebula
This is a dataset of Abell 85, also known as CTB-1. It is a supernova remnant about 14,000 light years away in the constellation Cassiopeia.
Dataset from which the image was processed
Abell 85 - The Medulla Nebula
20 credit
- Type of target............................................................................................................................Supernova Remnant
- Camera............................................................................................................................FLI Proline PL16803
- Target coordinates............................................................................................................................RA 359.8042 Dec 62.4333
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................United States of America
- Transient event............................................................................................................................No
- Observed on............................................................................................................................18 Oct 2025 - 07 Nov 2025
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 31 | 20m | 39 |
| OIII | 33 | 20m | 36 |