The open cluster M 23
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 16 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 Ashburn (click to change), M 23 is visible in the evening sky, becoming accessible at around 21:12 (EDT) as the dusk sky fades, 31° above your southern horizon. It will then reach its highest point in the sky at 21:29, 31° above your southern horizon. It will continue to be observable until around 00:13, when it sinks to 21° above your south-western horizon.
|
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