NGC_189
NGC_189
Thực đơn
NGC_189Liên quan
NGC 189 NGC 1893 NGC 1892 NGC 185 NGC 188 NGC 1851 NGC 1808 NGC 1817 NGC 1818 NGC 1961Tài liệu tham khảo
WikiPedia: NGC_189 http://www.nightskyinfo.com/archive/ngc189/ http://messier.seds.org/xtra/ngc/n0189.html http://www.seds.org/messier/xtra/ngc/n0189.html http://server1.wikisky.org/starview?object=NGC+189 http://www.wikisky.org/?object=NGC+189 http://www.wikisky.org/?object=NGC+189&img_source=... http://www.wikisky.org/?object=NGC+189&img_source=... http://www.wikisky.org/?object=NGC+189&img_source=... http://www.wikisky.org/?object=NGC+189&img_source=... http://www.wikisky.org/?object=NGC+189&img_source=...