UPSA
Object Registry
| Object | Type | Separation | V |
|---|---|---|---|
| Cl* Westerlund 1 W 38 | BlueSG | 3.809″ | 19.1 |
| Cl* Westerlund 1 BKS F | YellowSG | 5.597″ | 15.05 |
| Cl* Westerlund 1 W 31 | BlueSG | 7.483″ | — |
| Cl* Westerlund 1 W 40a | LongPeriodV* Candidate | 8.325″ | 18.05 |
| Cl* Westerlund 1 W 42 | BlueSG | 8.463″ | — |
| Cl* Westerlund 1 CN V | WolfRayet* | 8.541″ | — |
| Cl* Westerlund 1 W 10 | BlueSG | 9.41″ | 18.52 |
| Cl* Westerlund 1 W 11 | BlueSG | 10.1″ | 17.51 |
| Cl* Westerlund 1 W 30 | ** | 11.08″ | 18.45 |
| Cl* Westerlund 1 W 33 | BlueSG | 11.22″ | 15.61 |
| Cl* Westerlund 1 W 43b | BlueSG | 13.32″ | — |
| Archive | Read at (UTC) | Record |
|---|---|---|
| Seeded from the bulk archive load; no per-object fetch yet. | ||
Machine-readable: /api/v1/object/wr-77g · Registry entry updated 2026-08-14.