NGC_128
NGC_128
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NGC_128Liên quan
NGC 128 NGC 1277 NGC 1261 NGC 1266 NGC 185 NGC 188 NGC 1851 NGC 1808 NGC 1817 NGC 1893Tài liệu tham khảo
WikiPedia: NGC_128 http://cseligman.com/text/atlas/ngc1.htm http://nedwww.ipac.caltech.edu/ //doi.org/10.1007%2F978-3-642-75273-5_104 http://www.ngcicproject.org/pubdb.htm http://www.wikisky.org/?ra=0.4875&de=2.86416666666... https://web.archive.org/web/20090528100240/http://...