NGC6638 (Globular cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
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From South El Monte , NGC6638 is not observable – it will reach its highest point in the sky during daytime and is no higher than 10° above the horizon at dusk.
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|
Name
NGC6638
|
Object type
Globular cluster
|
Position
| Right ascension: | 18h30m [2] |
| Declination: | −25°29' [2] |
| Constellation: | Sagittarius |
| Magnitude: | 9.68 (V) [2] 10.81 (B) [2] |
| Distance: | 9.6 kpc 31.3 klyr [1] |
| B-V Color (mag): | 1.13 |
Derived quantities
| Absolute mag (V): | -5.23 |
Visibility from South El Monte
All times shown in South El Monte local time.