In the Vinony graph
Within Vinony's link graph, NGC 991 is referenced by 954 other articles, and connects out to list of NGC objects (1–1000), epoch and NGC 241.
It is catalogued under topics including Cetus, Intermediate spiral galaxies and NGC objects.
Its subject is documented across 31 Wikipedia language editions.
Key facts
- Constellation
- Cetus
- Right ascension
- 02 35 32.68341
- Declination
- −07 ° 09 ′ 15.8406 ″
- Heliocentric radial velocity
- 1532.8 km/s
- Distance
- 62.9 ± 4.5 Mly (19.28 ± 1.37 Mpc )
- Type
- SAB(rs)c
via Wikipedia infobox
Wikidata facts
- Instance of
- spiral galaxy
- Constellation
- Cetus
- Distance from Earth
- 20
- Image
- NGC 0991 SDSS.jpg
Show 13 more facts
- redshift
- 0.005110
- epoch
- J2000.0
- discoverer or inventor
- William Herschel
- time of discovery or invention
- 1785-09-10
- catalog code
- Gaia DR2 5178210999550720768
- apparent magnitude
- 12.215
- galaxy morphological type
- SABcd
- Commons category
- NGC 991
- right ascension
- 38.88618088610670
- declination
- -7.15440017657760
- radial velocity
- 1579
- right ascension component of proper motion
- 1.522
- declination component of proper motion
- -0.093
Sources (1)
via Wikidata · CC0
~1 min read
Encyclopedic overview
NGC 991 is an intermediate spiral galaxy the constellation Cetus. This galaxy was discovered by astronomer William Herschel in 1785.
Supernova
Excerpted from Wikipedia’s “NGC 991” article, available under the CC BY-SA 4.0 licence.
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Show 12 more
via Wikidata sitelinks · CC0
Connections
list of NGC objects (1–1000)
Entity
epoch
Entity
NGC 241
Entity
NGC 945
Entity
star
Entity
galaxy
Entity
light-year
Entity
constellation
Entity
nebula
Entity
William Herschel
Entity
Andromeda Galaxy
Entity
supernova
Entity
exoplanet
Entity
digital object identifier
Entity
astronomer
Entity
parsec
Entity
International Astronomical Union
Entity
redshift
Entity
Cetus
Entity
star cluster
Entity