NGC6643 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Fairfield , NGC6643 is very well placed – it is close enough to the north celestial pole that it is high above the horizon all night.
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Name
NGC6643
|
Object type
Galaxy
|
Position
| Right ascension: | 18h19m [4] |
| Declination: | +74°34' [4] |
| Constellation: | Draco |
| Magnitude: | 11.11 (V) [2] 11.76 (B) [2] 9.25 (J) [2] 8.56 (H) [2] 8.29 (K) [2] |
| Hubble type: | Sc |
| Distance: | 19.5 Mpc 63.6 Mlyr [1] |
| B-V Color (mag): | 0.65 |
Derived quantities
| Absolute mag (V): | -20.34 |
Sources