General information
NGC6405 is the open cluster at magnitude 4 that is placed in Scorpius constellation and has apparent size of 20 angular minutes.
Having high brightness and large apparent size, cluster is available for observations through a pair of binoculars or small telescope.
Information for observations
2023-09-25 cluster NGC6405 will become observable at southwest as the dusk sky fades, 7° above your horizon, at 20:34. At this time, the object will be at its highest elevation. At 21:27 the object will sink below the horizon at southwest.
Butterfly Cluster (Messier M6) on the sky map
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Object type | Open Cluster |
Alternative names | Butterfly Cluster |
Constellation | Scorpius |
Magnitude | 4 |
Apparent size | 20'x20' |
Right ascension | 17h 40m 20s |
Declination | -32° 15′ 12″ |
Catalogues
Messier | M6 |
New General Catalogue (NGC) | NGC6405 |
International Catalogue (IC) |
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Nearest objects with greater magnitude |
| Object type | Magnitude |
M7 / NGC6475 | Open Cluster | 3.3 |