NGC_2503
NGC_2503
Thực đơn
NGC_2503Liên quan
NGC 2503 NGC 2506 NGC 2539 NGC 2403 NGC 2500 NGC 5033 NGC 2509 NGC 2537 NGC 203 NGC 503Tài liệu tham khảo
WikiPedia: NGC_2503 http://cseligman.com/text/atlas/ngc25.htm#2503 http://www.klima-luft.de/steinicke/ngcic/persons/m... http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?... http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=... http://spider.seds.org/ngc/revngcic.cgi?NGC2503 http://server1.wikisky.org/starview?object=NGC+250... http://www.wikisky.org/?object=NGC+2503 http://www.wikisky.org/?object=NGC+2503&img_source... http://www.wikisky.org/?object=NGC+2503&img_source... http://www.wikisky.org/?object=NGC+2503&img_source...