j21P/Giacobini-Zinner


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Discovered by Michel Giacobini, France on December,20 1900 and Ernst Zinner, Germany on October,23 1913    

The latest IAU telegrams or the latest CBET's. IAUC Astronomical Headlines.

Minor planet center's orbital elements and Ephemeris,   The comet on Seiichi Yoshida's Homepage, Gary W. Kronk's Cometography
Light curves on Cometas ObsJPL Small body database


21P/Giacobini-Zinner  by Bernhard Haeusler, Germany       

21P/Giacobini-Zinner by Bernhard Haeusler, 2011-08-01 B/W          

3 x 5 min. exposure, 2011-08-01 UT 21:13, 12" SCT  f-6.5 + CCD ST10XME
18.29 mag, coma: 10", tail: 6" in PA245     


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