Wallpaper author:
Tryggve Dyrvik
25 Aug 2025
M82 - Cigar Galaxy -
1. stack APP
2. PI: channel combine
3. ABE, BN, ColCalibr & BXT
4. Masked stretch (MS) on RGB-image
5. Lum – ABE, MS, LHE, NXT
6. RGB+Ha comb – Starless
7. PS-high pass sharpening
Dataset from which the image was processed
M82
20 credit
- Type of target............................................................................................................................Galaxy
- Camera............................................................................................................................FLI Proline PL16803
- Target coordinates............................................................................................................................RA 148.9685 Dec 69.6797
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................United States of America
- Transient event............................................................................................................................No
- Observed on............................................................................................................................16 Dec 2021 - 26 Jan 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 1800 | 9h | 18 |
| Red | 800 | 4h | 18 |
| Blue | 847 | 4h | 17 |
| Green | 847 | 4h | 17 |
| Halpha | 1271 | 6h | 17 |