NGC_139
NGC_139
Thực đơn
NGC_139Liên quan
NGC 139 NGC 2392 NGC 3393 NGC 1961 NGC 13 NGC 1097 NGC 6397 NGC 1893 NGC 159 NGC 1300Tài liệu tham khảo
WikiPedia: NGC_139 http://ned.ipac.caltech.edu/cgi-bin/objsearch?objn... https://cseligman.com/text/atlas/ngc1.htm#139