Wallpaper author:
John Ebersole
17 Nov 2024
Medusa Nebula
The planetary nebula, Abell21 aka the Medusa Nebula of Gemini, is depicted here in an HST palette.
Dataset from which the image was processed
Sh 2-274
8 credit
- Type of target............................................................................................................................Planetary Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 112.2613 Dec 13.2468
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................11 Nov 2024 - 07 Feb 2025
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 293 | 3h35m | 44 |
| SII | 293 | 3h30m | 43 |
| OIII | 314 | 3h45m | 43 |