Wallpaper author:
Tryggve Dyrvik
21 Jul 2025
RCW 131 (NGC 6357, SH2-11) - Lobster Nebula -
1. stack APP
2.PI; BXT
3. Ha, OIII, SII, SXT, stretch and NXT
4. NBtoRGB stars
5. HSO PM-formula
6. Lum as a mask, add some LHE, GHS and SelectiveColorCorrection
7. PM; stars/starless
@TD
Dataset from which the image was processed
RCW 131
4 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 261.3015 Dec -34.3197
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................14 Jul 2023 - 16 Jul 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| OIII | 257 | 1h30m | 21 |
| SII | 270 | 1h30m | 20 |
| Halpha | 375 | 2h5m | 20 |