Wallpaper author:
Ewen Sedman
12 Mar 2026
CTB1 - Garlic Nebula HaOIIIRGB image
Image stacked and processed in Pixinsight with final adjustments in Apple photos. The most challenging part was to minimise the star halos around the brighter stars which still shadowed into the starless image after applying StarExterminator during processing.
Dataset from which the image was processed
CTB1 - Garlic Nebula
20 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................PLAYER ONE MONO 571
- Target coordinates............................................................................................................................RA 359.8042 Dec 62.4333
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Italy
- Transient event............................................................................................................................No
- Observed on............................................................................................................................31 Jul 2025 - 30 Aug 2025
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 811 | 24h20m | 108 |
| OIII | 597 | 17h55m | 108 |
| Red | 6 | 10m | 107 |
| Green | 6 | 10m | 107 |
| Blue | 6 | 10m | 107 |