20 Apr 2026
stacked it with DSS and then stretched it with Gimp. I had to adjust the stretching for the Halpha and Sii components. I used the HOS mapping to RGB. I aligned the data with Siril and also used the denoise Siril command. Lastly I post processed it with Gimp.
CED 54
1 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| OIII | 600 | 40m | 4 |
| Halpha | 600 | 40m | 4 |
| SII | 600 | 40m | 4 |