Wallpaper author:
Georg Nyman
15 Oct 2025
The Phantom Galaxy
LRGBHa processing in PixInsight and Photoshop, Raw data acquired by TL 2020-11 to -12
Dataset from which the image was processed
M74
20 credit
- Type of target............................................................................................................................Galaxy
- Camera............................................................................................................................FLI Proline PL16803
- Target coordinates............................................................................................................................RA 24.1739 Dec 15.7836
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................United States of America
- Transient event............................................................................................................................No
- Observed on............................................................................................................................14 Nov 2020 - 13 Dec 2020
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 1733 | 8h40m | 18 |
| Red | 800 | 4h | 18 |
| Green | 750 | 3h45m | 18 |
| Blue | 1000 | 5h | 18 |
| Halpha | 1271 | 6h | 17 |