Wallpaper author:
Alexander Curry
13 Jul 2021
The Helix Nebula
This is an "HOO" palette image which really helps to bring out the contrast between the OIII center and the Ha outer nebula. More exposures would really bring out more of the even feinter nebulosity surrounding the core (and reduce the huge amount of noise!)
Dataset from which the image was processed
NGC 7293
1 credit
- Type of target............................................................................................................................Planetary Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 337.40833 Dec -20.83694
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................17 Aug 2020 - 18 Aug 2020
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| SII | 600 | 10m | 1 |
| Halpha | 600 | 10m | 1 |
| OIII | 600 | 10m | 1 |