NGC4643 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , NGC4643 is visible in the evening sky, becoming accessible around 20:59 (EDT), 43° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:45, 49° above your southern horizon. It will continue to be observable until around 02:52, when it sinks below 21° above your western horizon.
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Name
NGC4643
|
Object type
Galaxy
|
Position
| Right ascension: | 12h43m [4] |
| Declination: | +01°58' [4] |
| Constellation: | Virgo |
| Magnitude: | 10.65 (V) [2] 11.22 (B) [2] 8.32 (J) [2] 7.67 (H) [2] 7.41 (K) [2] |
| Hubble type: | S0-a |
| Distance: | 25.7 Mpc 83.8 Mlyr [1] |
| B-V Color (mag): | 0.57 |
Derived quantities
| Absolute mag (V): | -21.40 |
Sources