Caldwell Objects
Page 6 of 7
Caldwell observations 51-60 of 69 total to date.
| Catalog # | Thumbnail | Title/link | Designation(s) | Date Observed | Comment |
|---|---|---|---|---|---|
| C50 |  |
C50 / Satellite Cluster / NGC 2244 | C50, NGC 2244 | 2024-02-03 17:13:00 | This cluster is visible through a hole in the Rosette Nebula |
| C51 |  |
C 51 | IC 1613 | C 51, IC 1613 | 2025-09-19 00:30:00 | A challenging dwarf in the local group. Used to perfect techniques for measuring distance using Cepheid variable stars initially discovered by Henrietta Levitt. |
| C52 |  |
NGC 4697 / C52 | 2025-04-27 22:27:00 | The first Caldwell object located in the southern celestial hemisphere. | |
| C53 |  |
NGC 3115 / Spindle Galaxy / C53 | NGC 3115, C53 | 2025-04-27 21:30:00 | A convincing looking spindle, but don't confuse it with M102 of the same nickname. |
| C54 |  |
C54 / NGC 2506 | C54, NGC 2506 | 2025-04-30 21:30:00 | An attractive open cluster with 12 blue straggler stars! |
| C55 |  |
C55 / Saturn Nebula / NGC 7009 | C22, NGC 7662 | 2025-08-31 23:55:00 | Captured on the same night as the Blue Snowball. |
| C56 |  |
NGC246 / Skull Nebula | NGC 246, C56 | 2023-11-03 19:20:00 | Challenging night in and out of clouds, faint target. Only managed 22m. |
| C57 |  |
NGC 6822 / Barnards Galaxy | NGC 6822, C57 | 2023-09-06 21:06:00 | A object of historical importance, if not exactly stunning |
| C58 |  |
C58 / Carolines Cluster / NGC 2360 | C 58, NGC 2360 | 2025-10-06 05:32:00 | Caroline Herschel is a hero of mine, and this was her first DSO. Very cool. |
| C59 |  |
C59 / Ghost of Jupiter Nebula / NGC 3242 | C59, NGC 3242 | 2025-04-30 22:00:00 | An engaging, bright planetary nebula with a catchy nickname. |