NGC_225
NGC_225
Thực đơn
NGC_225Liên quan
NGC 225 NGC 2257 NGC 2264 NGC 2207 và IC 2163 NGC 2261 NGC 2281 NGC 2857 NGC 2506 NGC 2539 NGC 2359Tài liệu tham khảo
WikiPedia: NGC_225 http://www.univie.ac.at/webda/photos/ngc0225.jpg http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=... http://spider.seds.org/ngc/revngcic.cgi?NGC225 http://server1.wikisky.org/starview?object=NGC+225 http://www.wikisky.org/?object=NGC+225 http://www.wikisky.org/?object=NGC+225&img_source=... http://www.wikisky.org/?object=NGC+225&img_source=... http://www.wikisky.org/?object=NGC+225&img_source=... http://www.wikisky.org/?object=NGC+225&img_source=... http://www.wikisky.org/?object=NGC+225&img_source=...