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21P/Giacobini-Zinner
[upwards] [9p] [10p] [17p] [19p] [21p] [29p] [30P] [33p] [36p] [47p] [59p] [65p] [67p] [71p] [73p] [74p] [77p] [81p] [94p] [103p] [116p] [118p] [123p] [127p] [141p] [144p] [157p] [169p] [173p] [176p] [204p] [211p] [217p] [223p] [230p] [232p] [236p] [240p] [247p] [255p] [p2011c2] [p2010wk] [p2010r2] [p2010h2] [p2010e2] [p2010a3] [p2010a2] [p2010a1] [p2009y2] [p2009q4] [p2008o2] [p2008qp20] [p2008q2] [p2008j3]
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 Obs,
JPL Small body
database
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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[upwards] [9p] [10p] [17p] [19p] [21p] [29p] [30P] [33p] [36p] [47p] [59p] [65p] [67p] [71p] [73p] [74p] [77p] [81p] [94p] [103p] [116p] [118p] [123p] [127p] [141p] [144p] [157p] [169p] [173p] [176p] [204p] [211p] [217p] [223p] [230p] [232p] [236p] [240p] [247p] [255p] [p2011c2] [p2010wk] [p2010r2] [p2010h2] [p2010e2] [p2010a3] [p2010a2] [p2010a1] [p2009y2] [p2009q4] [p2008o2] [p2008qp20] [p2008q2] [p2008j3]
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