Wallpaper author:
Eric Ganz
21 Oct 2021
The beautiful Rosette Nebula
Emission nebula lit by bright ultraviolet light from stars at the center.
Very active star forming region.
Nebula is 100 ly wide, and located at a distance of 5000 ly.
Latest results 12/2020 and 10/21
Telescope
ASA 500N, F-3.8
CAMERA FLI PL16803
50 cm Newtonian telescope
Chile
Telescope Live
200 minutes total exposure, SHO false color.
Pixinsight and photoshop, LR
Pro data set and advanced request.
Dataset from which the image was processed
Caldwell 49
1 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 97.9167 Dec 4.95
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................27 Sept 2020 - 30 Oct 2020
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 800 | 40m | 3 |
| Luminance | 200 | 10m | 3 |
| Red | 300 | 10m | 2 |
| Green | 300 | 10m | 2 |
| Blue | 300 | 10m | 2 |