NGC_81
NGC_81
Thực đơn
NGC_81Liên quan
NGC 81 NGC 891 NGC 1277 NGC 89 NGC 3109 NGC 4138 NGC 4178 NGC 10 NGC 185 NGC 147Tài liệu tham khảo
WikiPedia: NGC_81 http://cseligman.com/text/atlas/ngc0a.htm#81 http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsear... http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=... //doi.org/10.1086%2F498708 https://ui.adsabs.harvard.edu/abs/2006AJ....131.11...