Q34500

Also known as New General Catalogue 21, New General Catalogue 29

spiral galaxy in the constellation Andromeda

Key facts

Constellation: Andromeda
Right ascension: 00 10 46.9
Declination: +33 ° 21 ′ 10 ″
Heliocentric radial velocity: 4,770 ± 4 km/s
Distance: 234 ± 29 M ly , (71.7 ± 8.9 M pc )
Apparent magnitude v: +12.8
Type: SAB(s)bc
Apparent size v: 1.2′ × 0.59′

via Wikipedia infobox

Wikidata facts

Distance from Earth: 64.79
Image: NGC29 - SDSS DR14.jpg

Show 9 more facts

Commons category: NGC 21
catalog code: LEDA 767
radial velocity: 4700
time of discovery or invention: 1790-11-26
redshift: 0.015801
galaxy morphological type: Sbc
apparent magnitude: 10.333
right ascension: 2.6953583
declination: 33.3528389

Sources (1)

wikidata.org

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Article

NGC 21 (also known as NGC 29) is a spiral galaxy in the Andromeda constellation. It was discovered by German-British astronomer William Herschel on 26 November 1790. Lewis Swift observed it again in 1885, leading to its double listing in the New General Catalogue.

NGC 7831 Group