Properties (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
nebula
|
| gptkbp:age |
approximately 10,000 years
|
| gptkbp:composedOf |
hydrogen and helium
|
| gptkbp:coordinates |
RA 01h 42m 19s, Dec +51° 34′ 00″
|
| gptkbp:diameter |
about 0.3 light years
|
| gptkbp:emissionsStandard |
strong emission lines present
|
| gptkbp:established |
gptkb:Pierre_Méchain
|
| gptkbp:exhibits |
Messier catalog
|
| gptkbp:expansion |
about 20 km/s
|
| gptkbp:features |
two lobes
|
| gptkbp:hasRecognition |
12.0
|
| gptkbp:historicalEvent |
observed_by_William_Herschel
|
| https://www.w3.org/2000/01/rdf-schema#label |
Messier 76
|
| gptkbp:image |
Hubble_Space_Telescope_image_available
|
| gptkbp:isLocatedIn |
constellation Perseus
|
| gptkbp:length |
approximately 2,500 light years
|
| gptkbp:lighting |
faint
|
| gptkbp:majorCity |
hot central star
|
| gptkbp:notableFeature |
complex structure
|
| gptkbp:photography |
photometric studies conducted
|
| gptkbp:previouslyKnownAs |
NGC 650/651
|
| gptkbp:releaseYear |
1780
|
| gptkbp:shape |
bipolar
|
| gptkbp:type |
H II region
planetary nebula |
| gptkbp:visibility |
best viewed in autumn
|
| gptkbp:visitedBy |
various amateur astronomers
|
| gptkbp:weight |
around 0.6 solar masses
|