UPSA
Object Registry
| Object | Type | Separation | V |
|---|---|---|---|
| Cl* Westerlund 1 W 34 | BlueSG | 3.078″ | 18.15 |
| Cl* Westerlund 1 W 35 | BlueSG | 5.3″ | 18.59 |
| Cl* Westerlund 1 BKS F | YellowSG | 6.762″ | 15.05 |
| Cl* Westerlund 1 W 31 | BlueSG | 8.862″ | — |
| Cl* Westerlund 1 W 29 | BlueSG | 9.062″ | 18.66 |
| Cl* Westerlund 1 W 30 | ** | 9.325″ | 18.45 |
| Cl* Westerlund 1 W 42 | BlueSG | 9.85″ | — |
| Cl* Westerlund 1 W 43b | BlueSG | 10.18″ | — |
| Cl* Westerlund 1 CN V | WolfRayet* | 10.31″ | — |
| Cl* Westerlund 1 W 43c | Star | 10.67″ | 18.35 |
| Cl* Westerlund 1 W 43 | ** | 10.86″ | — |
| Archive | Read at (UTC) | Record |
|---|---|---|
| Seeded from the bulk archive load; no per-object fetch yet. | ||
Machine-readable: /api/v1/object/cl-westerlund-1-w-33 · Registry entry updated 2026-08-14.