Liên quan NGC 24 NGC 247 NGC 2442 và NGC 2443 NGC 2403 NGC 2439 NGC 2419 NGC 2438 NGC 2477 NGC 246 NGC 2451
Tài liệu tham khảo WikiPedia: NGC_24 http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsear... http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=... //arxiv.org/abs/1611.02574 //arxiv.org/abs/astro-ph/0404436 //arxiv.org/abs/astro-ph/0609148 //doi.org/10.1086%2F421744 //doi.org/10.1086%2F498708 //doi.org/10.1086%2F508859 //doi.org/10.3847%2F1538-3881%2F153%2F1%2F6 http://www.spacetelescope.org/images/potw1639a/
