NGC3990 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Fairfield , NGC3990 will become visible at around 21:44 (EDT), 44° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 00:42 when it dips 21° above your north-western horizon.
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Name
NGC3990
|
Object type
Galaxy
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Position
| Right ascension: | 11h57m [4] |
| Declination: | +55°27' [4] |
| Constellation: | Ursa Major |
| Magnitude: | 12.58 (V) [2] 13.46 (B) [2] 10.48 (J) [2] 9.75 (H) [2] 9.55 (K) [2] |
| Hubble type: | E-S0 |
| Distance: | 17.0 Mpc 55.4 Mlyr [1] |
| B-V Color (mag): | 0.88 |
Derived quantities
| Absolute mag (V): | -18.57 |
Sources