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 , M 23 is visible in the dawn sky, rising at 03:15 (EST) – 3 hours and 44 minutes before the Sun – and reaching an altitude of 23° above the south-eastern horizon before fading from view as dawn breaks at around 05:54.
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|
Name
M 23
|
Object Type
Open Cluster
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 5.50 (V)[2] 6.03 (B)[1] |
| B-V Color (mag): | 0.53 |
| Right Ascension: | 17h57m [1] |
| Declination: | -18°59' [1] |
| Distance: | 628.0 parsec 2047.3 lightyrs [1] |
Derived Quantities
| Absolute Mag (V): | -3.49 |