Wallpaper author:
Jan Scheers
12 Jun 2022
Sharpless 9
Sharpless 9 (Sh2-9 or Gum 65) is a combined emission and reflection nebula in the Scorpius constellation, surrounding the multiple star system Alnyat (Sigma Scorpii).
It is thought this star, a variable giant star, is ionizing this region.
This SHO-image was acquired with CHI-2 (ASA500N telescope). Data from 3 one-click observations.
Total integration time 190 minutes
SHO 12:14:12 subs of 600s with each narrowband filter (SII, Ha and OIII).
Dataset from which the image was processed
Sh 2-9
3 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 245.29584 Dec -25.59278
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................07 May 2022 - 24 May 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 320 | 1h20m | 15 |
| SII | 343 | 1h20m | 14 |
| OIII | 236 | 55m | 14 |