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Loading contentGalaxies, nebulae, and star clusters across the sky — 619 real deep-sky objects, each a first-class entity with catalogue data, an observing guide, and knowledge-graph connections.
282 open clusters · 135 galaxies · 87 globular clusters · 33 planetary nebulae · 24 clusters with nebulosity · 105 Messier & 105 Caldwell objects · data from OpenNGC (CC BY-SA 4.0)
| Object | Type | Constellation | Mag | Size (′) |
|---|---|---|---|---|
| Small Magellanic CloudNGC 292 | Barred spiral galaxy | Tuc | 2.3 | 299.92 |
| Lower SwordNGC 1980 | Cluster with nebulosity | Ori | 2.5 | 9.3 |
| omi Vel Cluster | Open cluster | Vel | 2.5 | 29.1 |
| NGC 6231C 76 · NGC 6231 | Open cluster | Sco | 2.6 | 13.8 |
| Carina NebulaC 92 · NGC 3372 | H II region | Car | 3 | 120 |
| Wishing Well ClusterC 91 · NGC 3532 | Open cluster | Car | 3 | 12 |
| BeehiveM 44 · NGC 2632 | Open cluster | Cnc | 3.1 | 108.6 |
| Ptolemy's ClusterM 7 · NGC 6475 | Open cluster | Sco | 3.3 | 22.2 |
| Andromeda GalaxyM 31 · NGC 224 | Spiral galaxy | And | 3.44 | 177.83 |
| h Persei ClusterNGC 869 | Open cluster | Per | 3.7 | 14.4 |
| chi Persei ClusterNGC 884 | Open cluster | Per | 3.8 | 10.5 |
| NGC 2516C 96 · NGC 2516 | Open cluster | Car | 3.8 | 24.3 |
Galaxies in the encyclopedia, from spirals to ellipticals.
Emission, reflection, planetary, and supernova-remnant nebulae.
Loose clusters of young stars in the galactic disc.
Dense, ancient spherical clusters in the galactic halo.
Glowing shells cast off by dying Sun-like stars.
The expanding debris of exploded stars.
Charles Messier's catalogue of bright deep-sky objects.
Patrick Moore's catalogue of bright objects Messier missed.
The brightest deep-sky objects (magnitude 7 and brighter).
Galaxies with the greatest apparent size in the sky.
Easy objects for the naked eye, binoculars, or a small telescope.
Faint objects for larger telescopes and dark skies.
Deep-sky objects prominent in the Northern-Hemisphere summer sky.
Deep-sky objects prominent in the Northern-Hemisphere winter sky.
Objects best placed for northern observers.
Objects best placed for southern observers.
Objects are generated from the open OpenNGC database — a compilation of the NGC/IC, Messier, and Caldwell catalogues, licensed CC BY-SA 4.0. Every value is real; no measurements or identifiers are invented. See the source quality page.