NGC 52
NGC 52
Thực đơn
NGC 52Liên 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 52 http://cseligman.com/text/atlas/ngc0a.htm http://www.deepskypedia.com/wiki/NGC_52 http://ned.ipac.caltech.edu/cgi-bin/objsearch?objn... http://spider.seds.org/ngc/revngcic.cgi?NGC52 http://www.unitconversion.org/length/parsecs-to-li... http://commons.wikimedia.org/wiki/Category:NGC_52 http://server1.wikisky.org/starview?object=NGC+52 http://www.wikisky.org/?object=NGC+52 http://www.wikisky.org/?object=NGC+52&img_source=D... http://www.wikisky.org/?object=NGC+52&img_source=H...