NGC639 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , NGC639 is visible in the evening sky, becoming accessible around 17:50 (PST), 22° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:27, 26° above your southern horizon. It will continue to be observable until around 21:04, when it sinks below 21° above your southern horizon.
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Name
NGC639
|
Object type
Galaxy
|
Position
| Right ascension: | 01h38m [2] |
| Declination: | −29°55' [2] |
| Constellation: | Sculptor |
| Magnitude: | 14.13 (V) [2] 14.70 (B) [2] 12.32 (J) [2] 11.61 (H) [2] 11.32 (K) [2] |
| Angular dimensions: | 1.0 arcmin x 0.3 arcmin |
| Position angle: | Major axis 32.0°E of N |
| Hubble type: | Sa |
| Distance: | 131.0 Mpc 427.1 Mlyr [1] |
| B-V Color (mag): | 0.57 |
Derived quantities
| Absolute mag (V): | -21.46 |