M18 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
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From Fairfield , M18 is visible in the dawn sky, rising at 01:35 (EDT) and reaching an altitude of 29° above the southern horizon before fading from view as dawn breaks at around 05:29.
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|
Name
M18
|
Object type
Open cluster
|
Position
| Right ascension: | 18h19m [3] |
| Declination: | −17°06' [3] |
| Constellation: | Sagittarius |
| Magnitude: | 6.90 (V) [4] 7.24 (B) [3] |
| Distance: | 1.3 kpc 4.2 klyr [2] |
| B-V Color (mag): | 0.34 |
Derived quantities
| Absolute mag (V): | -3.66 |
Visibility from Fairfield
All times shown in Fairfield local time.