NGC_2170
NGC_2170
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NGC_2170Liên quan
NGC 2170 NGC 217 NGC 1705 NGC 2174 NGC 210 NGC 2070 NGC 2175 NGC 170 NGC 270 NGC 2100Tài liệu tham khảo
WikiPedia: NGC_2170 http://cseligman.com/text/atlas/ngc21a.htm#2170 http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsear... http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC... http://www.seds.org/~spider/ngc/ngc.cgi?NGC2170 https://www.webcitation.org/6ZtHYJQEM?url=http://c...