The Trifid Nebula (M20)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 28 arcminutes across.
Finder chart
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From San Diego , the Trifid Nebula will become visible around 19:39 (PDT), 32° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 23:31.
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|
Name
The Trifid Nebula (M20)
|
Object type
Open cluster
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 6.30 (V) [4] 6.30 (B) [3] |
| B-V Color (mag): | -2.20 |
| Right ascension: | 18h02m [3] |
| Declination: | -22°58' [3] |
| Distance: | 816.0 parsec 2660.2 lightyrs [2] |
Derived quantities
| Absolute mag (V): | -3.26 |
Visibility from San Diego
All times shown in San Diego local time.