Loading…
Loading contentLoading…
Loading contentNGC 6633 is an open cluster in the constellation Ophiuchus. It shines at apparent magnitude 4.6 and spans about 12 arcminutes of sky.
Guidance follows standard observing practice, derived from the object's real magnitude and position. A dark, moonless sky always helps.
| Object | Type | Mag | Size (′) |
|---|---|---|---|
| IC 4665 | Open cluster | 4.2 | 24.6 |
| M 10M 10 · NGC 6254 | Globular cluster | 4.98 | 9.3 |
| rho Oph Nebula | Nebula | 5.1 | 60 |
| M 19M 19 · NGC 6273 | Globular cluster | 5.57 | 7.5 |
| M 14M 14 · NGC 6402 | Globular cluster | 5.73 | 9.9 |
| M 12M 12 · NGC 6218 | Globular cluster | 6.07 | 11.1 |
| NGC 6235NGC 6235 | Globular cluster | 7.2 | 4.2 |
| M 62M 62 · NGC 6266 | Globular cluster | 7.39 | 7.8 |
Facts on this topic will be cited from these primary and reference sources.
Openly-licensed deep-sky catalogue: object types, positions, magnitudes, sizes, morphology, and cross-identifiers.