NGC_2899
NGC_2899
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NGC_2899Liên quan
NGC 2899 NGC 2859 NGC 299 NGC 289Tài liệu tham khảo
WikiPedia: NGC_2899 http://dg-imaging.astrodon.com/gallery/display.cfm... http://www.atlasoftheuniverse.com/plannebs.html http://cseligman.com/text/atlas/ngc28a.htm#2899 http://www.deepskyobserving.com/NGC2899-VI.jpg http://www.airglow.de/html/nebulae/ngc2899.html http://www.cfa.harvard.edu/~pchallis/gif/ngc2899.g... http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=... http://www.blackskies.org/nsp12.htm //doi.org/10.1007%2Fs10509-009-0076-9 http://spider.seds.org/ngc/revngcic.cgi?NGC2899