Wallpaper author:
Bernard Miller
21 Jul 2025
NGC 7331
This is a dataset of NGC 7331, also known as the Deerlick Group of galaxies. It is a visual group of five galaxies. The largest is NGC 7331 in the center which is about 40 million light years away in the constellation Pegasus. The other galaxies include NGC 7335, NGC 7336, NGC 7337 and NGC 7340 just above NGC 7331. These galaxies are much father away at about 300 million light years away. This dataset has over 27 hours of exposure time.
Dataset from which the image was processed
NGC 7331
20 credit
- Type of target............................................................................................................................Galaxy
- Camera............................................................................................................................FLI Proline PL16803
- Target coordinates............................................................................................................................RA 339.2669 Dec 34.4158
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................United States of America
- Transient event............................................................................................................................No
- Observed on............................................................................................................................16 Sept 2022 - 15 Nov 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 1800 | 9h | 18 |
| Red | 800 | 4h | 18 |
| Green | 847 | 4h | 17 |
| Blue | 847 | 4h | 17 |
| Halpha | 1271 | 6h | 17 |