Wallpaper author:
John Ebersole
28 Dec 2025
M17
M17, the Omega or Swan Nebula, is shown here in an HST palette.
Dataset from which the image was processed
M17
1 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 275.19583 Dec -16.16667
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................07 May 2020 - 07 May 2020
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 800 | 40m | 3 |
| SII | 400 | 20m | 3 |
| OIII | 600 | 30m | 3 |