Wallpaper author:
Steve Teel
29 Jul 2025
C30 (NGC7331) LHaRGB
Processed using APP, PixInsight with GraXpert, SPCC, GHS, Blur, Noise, and StarXTerminator, and Affinity Photo 2. Continuum Subtraction performed on Ha before screening with LRGB.
Dataset from which the image was processed
NGC 7331
20 credit
- Type of target............................................................................................................................Galaxy
- Camera............................................................................................................................FLI Proline PL16803
- Target coordinates............................................................................................................................RA 339.2669 Dec 34.4158
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................United States of America
- Transient event............................................................................................................................No
- Observed on............................................................................................................................16 Sept 2022 - 15 Nov 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 1800 | 9h | 18 |
| Red | 800 | 4h | 18 |
| Green | 847 | 4h | 17 |
| Blue | 847 | 4h | 17 |
| Halpha | 1271 | 6h | 17 |