Wallpaper author:
GEORGE YAEGER
20 Apr 2026
A66 65 rare blue nebula
This nebula is not often imaged. I used DSS to stack the 24 images and then stretched the results using Gimp. The images were pretty well aligned but I did use Sirli to manually align them and then also used the denoise command. Lastly I post processed them in Gimp.
Dataset from which the image was processed
A66 65
1 credit
- Type of target............................................................................................................................Planetary Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 296.6322 Dec -23.1454
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................01 Oct 2023 - 04 Oct 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 300 | 45m | 9 |
| OIII | 300 | 40m | 8 |
| SII | 300 | 40m | 8 |