NGC_1994
NGC_1994
Thực đơn
NGC_1994Liên quan
NGC 1994 NGC 1964 NGC 199 NGC 1984 NGC 1996 NGC 1943 NGC 1974 NGC 1993 NGC 1992 NGC 1997Tài liệu tham khảo
WikiPedia: NGC_1994 http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?... http://spider.seds.org/ngc/revngcic.cgi?NGC1994 https://cseligman.com/text/atlas/ngc19a.htm#1994 https://dso-browser.com/deep-sky/2919/ngc-1994/ope...