外部链接
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- [http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+2281&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id Simbad]
- [http://aladin.u-strasbg.fr/AladinPreview?-c=06+48.3%2B41+05&ident=NGC++2281&submit=Aladin+previewer Image NGC 2281]
- [http://www.univie.ac.at/webda/cgi-bin/ocl_page.cgi?dirname=ngc2281 NGC 2281]
- [http://www.starobserver.eu/openclusters/ngc2281.html]
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