NGC 1955
NGC 1955
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NGC 1955Liên quan
NGC NGC 4993 NGC 4302 NGC 2392 NGC 404 NGC 6822 NGC 4565 NGC 3393 NGC 5238 NGC 4889Tài liệu tham khảo
WikiPedia: NGC 1955 http://cseligman.com/text/atlas/ngc19a.htm#1955 http://vizier.u-strasbg.fr/viz-bin/VizieR-S?NGC%20... http://spider.seds.org/ngc/ngc.cgi?CatalogNumber=N... http://spider.seds.org/ngc/revngcic.cgi?ngc1955 https://ned.ipac.caltech.edu/cgi-bin/objsearch?obj...