Open cluster · Puppis
NGC 2520
Deep skyNGC 2520
Scientific overview
NGC 2520 is an open cluster in the constellation Puppis. It shines at apparent magnitude 6.5 and spans about 9.3 arcminutes of sky.
Observation guide
Difficulty
Binoculars
Recommended equipment
10×50 binoculars or any small telescope
Best observed
Spring (S. evening sky)
Best hemisphere
Southern
Guidance follows standard observing practice, derived from the object's real magnitude and position. A dark, moonless sky always helps.
Location in the sky
Other objects in Puppis
| Object | Type | Mag | Size (′) |
|---|---|---|---|
| M 47M 47 · NGC 2422 | Open cluster | 4.4 | 19.8 |
| NGC 2477C 71 · NGC 2477 | Open cluster | 5.8 | 18.6 |
| M 46M 46 · NGC 2437 | Open cluster | 6.1 | 21 |
| M 93M 93 · NGC 2447 | Open cluster | 6.2 | 15 |
| NGC 2546NGC 2546 | Open cluster | 6.3 | 16.5 |
| NGC 2539NGC 2539 | Open cluster | 6.5 | 12.3 |
| NGC 2423NGC 2423 | Open cluster | 6.7 | 11.7 |
| NGC 2439NGC 2439 | Open cluster | 6.9 | 8.7 |
Sources
The primary and reference sources this topic draws on.
- OpenNGCOpenNGC (M. Verga) — NGC/IC, Messier, and Caldwell catalogue data
Openly-licensed deep-sky catalogue: object types, positions, magnitudes, sizes, morphology, and cross-identifiers.