The open cluster M 18
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
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From Ashburn , M 18 is not readily observable since it is very close to the Sun, at a separation of only 14° from it.
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|
Name
M 18
|
Object Type
Open Cluster
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 6.90 (V)[2] 7.24 (B)[1] |
| B-V Color (mag): | 0.34 |
| Right Ascension: | 18h19m [1] |
| Declination: | -17°06' [1] |
| Distance: | 1.3 kpc 4.2 klyr [1] |
Derived Quantities
| Absolute Mag (V): | -3.66 |