NGC_39
NGC_39
Thực đơn
NGC_39Liên quan
NGC 39 NGC 3941 NGC 3921 NGC 3923 NGC 3982 NGC 3918 NGC 391 NGC 395 NGC 394 NGC 390Tài liệu tham khảo
WikiPedia: NGC_39 http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsear... http://www.noao.edu/outreach/aop/observers/n39.htm... http://spider.seds.org/ngc/revngcic.cgi?NGC39 http://server1.wikisky.org/starview?object=NGC+39 http://www.wikisky.org/?object=NGC+39 http://www.wikisky.org/?object=NGC+39&img_source=D... http://www.wikisky.org/?object=NGC+39&img_source=H... http://www.wikisky.org/?object=NGC+39&img_source=I... http://www.wikisky.org/?object=NGC+39&img_source=I... http://www.wikisky.org/?object=NGC+39&img_source=R...