Caldwell 74
E293601
Caldwell 74 is a bright, well-known planetary nebula in the constellation Vela, popularly called the Southern Ring Nebula.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Caldwell 74 canonical | 2 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
deep-sky object
ⓘ
emission nebula ⓘ planetary nebula ⓘ |
| angularSize | about 1.7 arcminutes ⓘ |
| apparentMagnitudeV | 8.2 ⓘ |
| bestObservedIn |
medium telescopes
ⓘ
small telescopes ⓘ |
| bestSeenFrom | Southern Hemisphere ⓘ |
| catalogCode |
C74
ⓘ
NGC 3132 ⓘ PK 272-3.1 ⓘ |
| centralStarType | post-asymptotic giant branch star remnant ⓘ |
| declination | −40° 26′ 11″ ⓘ |
| discoveredBy | John Herschel ⓘ |
| discoveryYear | 1835 ⓘ |
| distanceFromEarth |
about 2000 light-years
ⓘ
about 620 parsecs ⓘ |
| evolutionaryStage | late stage of low- to intermediate-mass star ⓘ |
| hasAlternativeName |
Eight-Burst Nebula
ⓘ
NGC 3132 ⓘ PK 272-3.1 ⓘ Southern Ring Nebula ⓘ |
| hasApparentBrightness | bright for a planetary nebula ⓘ |
| hasCentralStar |
hot central star of planetary nebula
ⓘ
white dwarf ⓘ |
| hasColor |
blue-green inner region
ⓘ
reddish outer regions ⓘ |
| hasCommonName |
Eight-Burst Nebula
ⓘ
Southern Ring Nebula ⓘ |
| hasIonizedGas |
hydrogen
ⓘ
nitrogen ⓘ oxygen ⓘ |
| hasMorphology |
elliptical planetary nebula
ⓘ
ring-like structure ⓘ |
| hasShape | slightly elongated ring ⓘ |
| isPartOf | Caldwell catalogue ⓘ |
| isPopularTargetFor |
amateur astronomers
ⓘ
astrophotography ⓘ |
| locatedIn |
Galactic disk
ⓘ
Milky Way ⓘ |
| locatedInConstellation | Vela ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ ultraviolet wavelengths ⓘ |
| rightAscension | 10h 07m 01s ⓘ |
| spectralFeatures |
H-alpha emission
ⓘ
strong [O III] emission lines ⓘ |
| visibleInSeason | late summer in Southern Hemisphere ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.