M23 (Open cluster)

From Cambridge , M23 is visible in the morning sky, becoming accessible around 00:24, when it reaches an altitude of 20° above your south-eastern horizon. It will then reach its highest point in the sky at 02:40, 28° above your southern horizon. It will be lost to dawn twilight around 03:51, 26° above your southern horizon.
Name
M23
|
Object type
Open cluster
|
Right ascension: | 17h57m [3] |
Declination: | −18°59' [3] |
Constellation: | Sagittarius |
Magnitude: | 5.50 (V) [5] 6.03 (B) [3] |
Distance: | 628.0 parsec 2047.3 lightyrs [2] |
B-V Color (mag): | 0.53 |
Absolute mag (V): | -3.49 |
All times shown in Cambridge local time.