NGC_22
NGC_22
Thực đơn
NGC_22Liên quan
NGC 22 NGC 2207 và IC 2163 NGC 2264 NGC 2261 NGC 2281 NGC 2244 NGC 222 NGC 2298 NGC 220 NGC 2266Tài liệu tham khảo
WikiPedia: NGC_22 http://nedwww.ipac.caltech.edu/cgi-bin/nDistance?n... http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsear... http://server1.wikisky.org/starview?object=NGC+22 http://www.wikisky.org/?object=NGC+22 http://www.wikisky.org/?object=NGC+22&img_source=D... http://www.wikisky.org/?object=NGC+22&img_source=H... http://www.wikisky.org/?object=NGC+22&img_source=I... http://www.wikisky.org/?object=NGC+22&img_source=I... http://www.wikisky.org/?object=NGC+22&img_source=R... http://www.wikisky.org/?object=NGC+22&img_source=S...