NGC 21

NGC 21
NGC 21/NGC 29 (2MASS)
Observation data
Constellation	Andromeda
Right ascension	00h 10m 46.9s[1]
Declination	+33° 21′ 10″[1]
Redshift	0.015911[1]
Helio Radial velocity	4770 ± 4 km/s[1]
Distance	234 ± 29 Mly (71.7 ± 8.9 Mpc)[2]
Type	spiral
See also: Galaxy, List of galaxies

NGC 21 (also known as NGC 29) is a spiral galaxy in the Andromeda constellation.

References

1. ^ ^{a b c d} "NASA/IPAC Extragalactic Database". Results for NGC 0021. http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+21&img_stamp=yes&extend=no. Retrieved 2010-05-03. 
2. ^ "Distance Results for NGC 0021". NASA/IPAC Extragalactic Database. http://nedwww.ipac.caltech.edu/cgi-bin/nDistance?name=NGC+0021. Retrieved 2010-05-03. 

External links

• Wikisky image of NGC 29

Astronomical catalogs
NGC:	NGC 19 - NGC 20 - NGC 21 - NGC 22 - NGC 23