Thực đơn
NGC_109 Tham khảoThực đơn
NGC_109 Tham khảoLiên quan
NGC 109 NGC 1097 NGC 10 NGC 1961 NGC 1042 NGC 3109 NGC 159 NGC 100 NGC 1060 NGC 1893Tài liệu tham khảo
WikiPedia: NGC_109 http://cseligman.com/text/atlas/ngc1.htm#109 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...