NGC 502
NGC 502
Thực đơn
NGC 502Liên quan
NGC NGC 4993 NGC 4302 NGC 2392 NGC 404 NGC 6822 NGC 4565 NGC 3393 NGC 5238 NGC 4889Tài liệu tham khảo
WikiPedia: NGC 502 http://www.astronomy-mall.com/Adventures.In.Deep.S... http://cseligman.com/text/atlas/ngc5.htm#502 http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?... http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC... http://spider.seds.org/ngc/revngcic.cgi?NGC502 http://server1.wikisky.org/starview?object=NGC+502 http://www.wikisky.org/?object=NGC+502 http://www.wikisky.org/?object=NGC+502&img_source=... http://www.wikisky.org/?object=NGC+502&img_source=... http://www.wikisky.org/?object=NGC+502&img_source=...