NGC640 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Fairfield , NGC640 is visible in the dawn sky, rising at 01:15 (EDT) and reaching an altitude of 28° above the south-eastern horizon before fading from view as dawn breaks at around 04:12.
|
Name
NGC640
|
Object type
Galaxy
|
Position
| Right ascension: | 01h39m [2] |
| Declination: | −09°24' [2] |
| Constellation: | Cetus |
| Magnitude: | 15.50 (V) [2] 15.42 (B) [2] 12.88 (J) [2] 12.28 (H) [2] 11.86 (K) [2] |
| Hubble type: | SBa |
| Distance: | 151.0 Mpc 492.3 Mlyr [1] |
| B-V Color (mag): | -0.08 |
Derived quantities
| Absolute mag (V): | -20.39 |