NGC640 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , NGC640 is visible in the evening sky, becoming accessible around 17:48 (PST), 38° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:47, 46° above your southern horizon. It will continue to be observable until around 23:28, when it sinks below 21° above your south-western horizon.
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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] |
| Angular dimensions: | 0.8 arcmin x 0.4 arcmin |
| Position angle: | Major axis 147.0°E of N |
| Hubble type: | SBa |
| Distance: | 151.0 Mpc 492.3 Mlyr [1] |
| B-V Color (mag): | -0.08 |
Derived quantities
| Absolute mag (V): | -20.39 |