小熊座流星雨

外部連結

• [https://web.archive.org/web/20120320000533/http://meteorshowersonline.com/showers/ursids.html Gary Kronk's Meteor Showers Online - Ursids]
• [http://www.imo.net/calendar/2005/fall International Meteor Organisation Calendar - Fall 2005]
• [http://ursid.seti.org NASA Ursid Airborne Campaign] (2008 + Java applet)
• [http://www5f.biglobe.ne.jp/~hro/Flash/2011/URS/ 2011 Ursids Radio results] (RMOB)
• [http://www.constellation-guide.com/ursids/ Ursids at Constellation Guide]