Caldwell Objects
Page 1 of 8
Caldwell observations 1-10 of 77 total to date.
| Catalog # | Thumbnail | Title/link | Designation(s) | Date Observed | Comment |
|---|---|---|---|---|---|
| C1 |  |
NGC 188 / C1 | NGC 188, C1 | 2023-11-01 06:19:00 | One of the oldest known clusters, due to its position near the pole. |
| C2 |  |
C2 / Bow Tie Nebula / NGC 40 | C2, Bow Tie Nebula, NGC 40 | 2024-10-08 21:00:00 | A very attractive planetary nebula in Cepheus |
| C3 |  |
NGC 4236 / C3 | NGC 4236, C3 | 2025-04-27 23:29:00 | A surprisingly tough galaxy to image with a low surface-brightness arm |
| C4 |  |
NGC 7023 / Iris Nebula / C4 | NGC 7023, C4, LBN 487 | 2023-10-01 22:30:00 | Lovely reflection nebula in Cepheus |
| C5 |  |
IC 342 / Hidden Galaxy / C5 Revisit | IC 342, C5, UGC 2847 | 2025-10-26 22:12:00 | A mono camera, with no IR cut filter, makes handy work of Caldwell 5! |
| C6 |  |
C6 / Cat’s Eye Nebula / NGC 6543 | C6, NGC 6543 | 2025-05-10 21:16:16 | A bright planetary nebula on a tough night |
| C7 |  |
NGC 2403 / C7 | NGC 2403, C7 | 2023-11-05 05:37:00 | Large, intermediate spiral galaxy in Cam. Nov '23 EAA Challenge object. |
| C8 |  |
C8 / NGC 559 /Ghost’s Goblet | C8, NGC 559 | 2024-10-15 21:29:00 | Ancient open cluster discovered by William Herschel in 1787. |
| C9 |  |
Sh2-155 / Cave Nebula / C9 | Sh2-155, C9, LBN529 | 2023-08-01 21:53:00 | Looming "cave" opening in Cepheus. An early attempt and still a favorite. |
| C10 |  |
C10 / NGC 663 | C10, NGC 663 | 2024-10-14 21:38:00 | The Red Giants are obvious, the Blue Straggler's came out white. |