The globular cluster NGC 6638
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From Fairfield , NGC 6638 is visible in the dawn sky, rising at 00:54 (EDT) – 5 hours and 9 minutes before the Sun – and reaching an altitude of 22° above the southern horizon before fading from view as dawn breaks at around 04:51.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
NGC 6638
|
Object Type
Globular Cluster
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 9.68 (V)[1] 10.81 (B)[1] |
| B-V Color (mag): | 1.13 |
| Right Ascension: | 18h30m [1] |
| Declination: | -25°29' [1] |
| Distance: | 9.6 kpc 31.3 klyr [1] |
Derived Quantities
| Absolute Mag (V): | -5.23 |
Source