Wallpaper author:
Frédéric Ruciak
27 Feb 2026
M33 (dataset from Bernard Miller)
I tried to keep the spiral arms transparent and blue while pushing the Halpha but not too much. The linear path was not working for me, I had to try another one. Hope you like the result, Frédéric
Dataset from which the image was processed
M33
20 credit
- Type of target............................................................................................................................Galaxy
- Camera............................................................................................................................FLI Proline PL16803
- Target coordinates............................................................................................................................RA 23.4621 Dec 30.6602
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................United States of America
- Transient event............................................................................................................................No
- Observed on............................................................................................................................15 Oct 2021 - 05 Nov 2021
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 1832 | 9h40m | 19 |
| Red | 758 | 4h | 19 |
| Green | 758 | 4h | 19 |
| Blue | 758 | 4h | 19 |
| Halpha | 1700 | 8h30m | 18 |