Rujukan Kelompok_bintang

  1. ↑ "XVIIth General Assembly". Montreal, Canada: International Astronomical Union. Summer 1979. m/s. 13. Diarkib pada 18 January 2015. Ralat: If you specify |archivedate=, you must also specify |archiveurl=. https://web.archive.org/web/20150118133621/http://www.iau.org/static/resolutions/IAU1979_French.pdf. Diperolehi 18 December 2014.
  2. ↑ Lynga, G. (October 1982). "IAU numbers for some recently discovered clusters". Bulletin d'Information du Centre de Donnees Stellaires. 23: 89. Bibcode:1982BICDS..23...89L. 
  3. ↑ "Dictionary of Nomenclature of Celestial Objects". Simbad. Centre de Données astronomiques de Strasbourg. 1 December 2014. Diarkibkan daripada yang asal pada 8 October 2014. Dicapai 21 December 2014. 

Rujukan

WikiPedia: Kelompok_bintang http://www.univie.ac.at/webda/ http://www.britannica.com/eb/article-9110473/star-... http://www.universetoday.com/am/publish/super_star... http://adsabs.harvard.edu/abs/1982BICDS..23...89L http://www2.cfa.harvard.edu/rg/star_and_planet_for... http://cds.u-strasbg.fr/cgi-bin/Dic-Simbad?C http://de.arxiv.org/abs/astro-ph/0506507 http://messier.seds.org/cluster.html http://www.sky-map.org/?ra=7.6357&de=38.882&zoom=1... https://web.archive.org/web/20141008193320/http://...