M20
E450594
M20 is the Trifid Nebula, a bright and picturesque star-forming emission and reflection nebula located in the constellation Sagittarius.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
H II region
ⓘ
Messier object ⓘ NGC object ⓘ emission nebula ⓘ nebula ⓘ reflection nebula ⓘ star-forming region ⓘ |
| alsoKnownAs |
Messier 20
NERFINISHED
ⓘ
NGC 6514 NERFINISHED ⓘ Trifid Nebula NERFINISHED ⓘ |
| angularSize | 28 arcminutes ⓘ |
| apparentMagnitudeV | 9.0 ⓘ |
| bestSeenFrom | southern latitudes ⓘ |
| bestSeenIn | small telescopes ⓘ |
| catalog |
Messier catalogue
NERFINISHED
ⓘ
New General Catalogue NERFINISHED ⓘ |
| contains |
Herbig–Haro objects
NERFINISHED
ⓘ
open star cluster ⓘ protostars ⓘ young massive stars ⓘ |
| declination | −23° 02′ ⓘ |
| discoveredBy | Charles Messier NERFINISHED ⓘ |
| discoveryDate | 1764 ⓘ |
| distanceFromEarth |
approximately 1.3 kiloparsecs
ⓘ
approximately 4100 light-years ⓘ |
| dominantEmissionLine | H-alpha ⓘ |
| galacticLatitude | −0.3 degrees (approximate) ⓘ |
| galacticLongitude | 7.0 degrees (approximate) ⓘ |
| hasColor |
blue reflection regions
ⓘ
red emission regions ⓘ |
| hasComponent |
dark nebula lanes
ⓘ
emission nebula region ⓘ reflection nebula region ⓘ |
| hasFeature | three prominent dark dust lanes ⓘ |
| isInDirectionOf | Galactic Center region NERFINISHED ⓘ |
| isTargetFor | astrophotography ⓘ |
| liesNear |
Lagoon Nebula
NERFINISHED
ⓘ
M8 ⓘ |
| locatedIn | Sagittarius Arm of the Milky Way NERFINISHED ⓘ |
| locatedInConstellation | Sagittarius NERFINISHED ⓘ |
| nameEtymology | called Trifid because of its three-lobed appearance ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| partOf | Milky Way NERFINISHED ⓘ |
| rightAscension | 18h 02m ⓘ |
| spectralTypeOfIonizingStars | O-type ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.