NGC_223
NGC_223
Thực đơn
NGC_223Liên quan
NGC 223 NGC 2232 NGC 2207 và IC 2163 NGC 2392 NGC 2264 NGC 2261 NGC 2360 NGC 2359 NGC 2281 NGC 2362Tài liệu tham khảo
WikiPedia: NGC_223 http://cseligman.com/text/atlas/ngc2.htm#223 http://ned.ipac.caltech.edu/cgi-bin/objsearch?objn... http://spider.seds.org/ngc/revngcic.cgi?NGC223 http://server1.wikisky.org/starview?object=NGC+223 http://www.wikisky.org/?object=NGC+223 http://www.wikisky.org/?object=NGC+223&img_source=... http://www.wikisky.org/?object=NGC+223&img_source=... http://www.wikisky.org/?object=NGC+223&img_source=... http://www.wikisky.org/?object=NGC+223&img_source=... http://www.wikisky.org/?object=NGC+223&img_source=...