The open cluster M 23
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 16 arcminutes across.
Finder chart
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From Ashburn (click to change), M 23 will become visible at around 19:22 (EDT) as the dusk sky fades, 23° above your south-western horizon. It will then sink towards the horizon, setting 3 hours and 39 minutes after the Sun at 21:56.
|
Name
M 23
|
Object Type
Open Cluster
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 5.50 (V)[1] 6.03 (B)[1] |
| B-V Color (mag): | 0.53 |
| Right Ascension: | 17h57m [1] |
| Declination: | -18°59' [1] |
| Distance: | 628.0 parsec 2047.3 lightyears [1] |
Derived Quantities
| Absolute Mag (V): | -3.49 |
Source