Wallpaper author:
Mark Johnston
11 Dec 2025
Large prominence with spicules Nov 25 2025
Large prominence with spicules on the limb of the Sun. Used my solar spectrum 0.3A single stack etalon to freeze the seeing with faster exposures (3 mSec). Seeing 4/5
Dataset from which the image was processed
Large prominence with spicules Nov 25 2025
6 credit
- Type of target............................................................................................................................Sun
- Camera............................................................................................................................Player One Apollo-M IMX174M with cooler
- Target coordinates............................................................................................................................RA 0 Dec 0
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................United States of America
- Transient event............................................................................................................................Yes
- Observed on............................................................................................................................25 Nov 2025 - 25 Nov 2025
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 180 | 3m | 1 |