The Omega Nebula (M17)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 12 arcminutes across.
From South El Monte , the Omega Nebula will become visible at around 19:10 (PDT), 32° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:31.
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 |
Sources