General information
Double Star M40 has the magnitude of 9 and is placed in Ursa Major constellation.
Information for observations
2024-05-02 double star M40 will be visible all night. At 22:12 the object will be placed at north, 71° above your horizon, and will be observable until around 04:45 when fade from view as dawn breaks northwest.
Winnecke 4 (Messier M40) on the sky map
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Object type | Double Star |
Alternative names | Winnecke 4 |
Constellation | Ursa Major |
Magnitude | 9 |
Apparent size | - |
Right ascension | 12h 22m 12.53s |
Declination | 58° 4′ 58.6″ |
Catalogues
Messier | M40 |
New General Catalogue (NGC) |
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International Catalogue (IC) |
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Nearest objects with greater magnitude |
| Object type | Magnitude |
H IV 108 | Double Star | 7.82 |