The open cluster M 21

From Washington , M 21 is visible in the morning sky, becoming accessible around 03:11, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 05:32, 30° above your southern horizon. It will be lost to dawn twilight around 05:43, 30° above your southern horizon.
Name
M 21
|
Object Type
Open Cluster
|
Constellation: | Sagittarius |
Magnitude: | 5.90 (V) [5] |
Right ascension: | 18h04m [3] |
Declination: | -22°29' [3] |
Distance: | 1.2 kpc 3.9 klyr [2] |
Absolute mag (V): | -4.50 |
All times shown in Washington local time.