NGC_1931
NGC_1931
Thực đơn
NGC_1931Liên quan
NGC 1931 NGC 1961 NGC 1901 NGC 1910 NGC 1936 NGC 1971 NGC 1934 NGC 1935 NGC 193 NGC 191Tài liệu tham khảo
WikiPedia: NGC_1931 http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=... //doi.org/10.1007%2FBF00653902 http://galaxymap.org/cgi-bin/details.py?id=21553&t... http://server1.wikisky.org/starview?object_type=4&... https://ui.adsabs.harvard.edu/abs/1986Ap&SS.120..1... https://web.archive.org/web/20080501013712/http://... https://web.archive.org/web/20110930102954/http://... https://commons.wikimedia.org/wiki/Category:NGC_19...