NGC1644 (Globular cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Columbus , NGC1644 is not observable because it lies so far south that it never rises above the horizon.
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Name
NGC1644
|
Object type
Globular cluster
|
Position
| Right ascension: | 04h37m [2] |
| Declination: | −66°11' [2] |
| Constellation: | Dorado |
| Magnitude: | 12.89 (V) [2] 13.52 (B) [2] |
| Distance: | 50.0 kpc 163.0 klyr [1] |
| B-V Color (mag): | 0.63 |
Derived quantities
| Absolute mag (V): | -5.60 |