| 词条 | NGC 231 |
| 释义 |
| name = NGC 231 | epoch = J2000 | ra = {{RA|00|41|06.4}}[1] | dec = {{DEC|-73|21|09}}[1] | constellation name = Tucana | dist_ly = ~210000 | appmag_v = 12.87[2] | size_v = 1.8' x 1.8'[2] | mass_msol = | age = | notes = | names = ESO 029-SC 005.[1] }}NGC 231 is an open cluster in the Small Magellanic Cloud. It is located in the constellation Tucana. It was discovered on August 1, 1826 by James Dunlop.[3] References1. ^1 2 {{cite web | title=NASA/IPAC Extragalactic Database | work=Results for NGC 0231 | url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+231&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES | accessdate=2016-09-02}} 2. ^1 {{cite simbad|title=NGC 231|accessdate=31 December 2016}} 3. ^{{cite web|title=New General Catalog Objects: NGC 200 - 249|url=http://cseligman.com/text/atlas/ngc2.htm#231|publisher=Cseligman|accessdate=September 15, 2016}} 4 : NGC objects|Open clusters|Small Magellanic Cloud|Tucana (constellation) |
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