09 Jul 2025
1. stack in APP, cosmetic correction, hot pixels 3.0, cold and hot column 8.0, integrate winsorized rejection
2. combine RGB
3. PixInsight – open RGB combined + Ha/OIII/SII reg/norm-masters
4. BXT & SXT on all images, default settings
5. HSO channel comb + Narrowband Normalization HOO
6. Three comb starless color images with PM A+B+C, add GHS
7. SetiAstro: NBtoRGBstars - star image
8. SCNR on starless
9. HDRM on starless copy, then PM average formula on original str.less and this
10. combined stars
11. GHS and linear-GHS setting blackpoint.
12. done
NGC 2070
2 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| SII | 346 | 1h15m | 13 |
| Halpha | 369 | 1h20m | 13 |
| OIII | 175 | 35m | 12 |