Wallpaper author:
Frédéric Ruciak
10 Mar 2026
M63 with the extended data set
M63, within the M51 group, more or less at the same 30 MLy distance. M63 was first discovered by the French astronomer Pierre Méchain, then later verified by his colleague Charles Messier on 14 June 1779.[5] The galaxy became listed as object 63 in the Messier Catalogue.It is approximately as large in the sky as M51, and 10 times smaller than M33, member of the local group, which is 10 times closer.
I hope you like it.
CS Frédéric
Dataset from which the image was processed
M63
12 credit
- Type of target............................................................................................................................Galaxy
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 198.9553 Dec 42.0294
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................28 Apr 2020 - 25 Jun 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 283 | 2h45m | 35 |
| Red | 463 | 4h30m | 35 |
| Green | 450 | 4h15m | 34 |
| Blue | 462 | 4h22m | 34 |