The Omega Nebula (M17)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 12 arcminutes across.
Finder chart
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From Cambridge , the Omega Nebula is visible between 22:24 and 03:25. It will become accessible at around 22:24, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 00:54, 31° above your southern horizon. It will become inaccessible at around 03:25 when it sinks below 21° above your south-western horizon.
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Name
The Omega Nebula (M17)
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Object type
Open cluster
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Other names
Position
| Right ascension: | 18h20m [3] |
| Declination: | −16°10' [3] |
| Constellation: | Sagittarius |
| Magnitude: | 6.00 (V) [4] 6.00 (B) [3] |
| Distance: | 1.3 kpc 4.2 klyr [2] |
| B-V Color (mag): | -1.00 |
Derived quantities
| Absolute mag (V): | -4.57 |
Visibility from Cambridge
All times shown in Cambridge local time.