M40 (Double star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Fairfield , M40 is visible all night. It will become visible at around 21:07 (EDT), 69° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 04:30, 33° above your north-western horizon.
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Name
M40
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Object type
Double star
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Position
| Right ascension: | 12h22m [1] |
| Declination: | +58°05' [1] |
| Constellation: | Ursa Major |
| Magnitude: | 9.10 (V) [1] |
| Distance: | 92.0 parsec 299.9 lightyrs [1] |
Derived quantities
| Absolute mag (V): | 4.28 |
Source