Großer Komet von 191 (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Großer Komet von 191" in German language version.

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archive.org

J. Williams: Observations of Comets, from B.C. 611 to A.D. 1640. Strangeways and Walden, London 1871, S. 17 (PDF, 20,93 MB).
A. G. Pingré: Cométographie ou Traité historique et théorique des comètes. Bd. I. Imprimerie Royale, Paris 1783, S. 294–295, 587 (PDF; 56,49 MB, Pingré gibt das Erscheinungsdatum des Kometen fälschlich als September/Oktober 192 an).

doi.org

I. Hasegawa, S. Nakano: Possible Kreutz Sungrazing Comets Found in Historical Records. In: Publications of the Astronomical Society of Japan. Bd. 53, 2001, S. 931–949, doi:10.1093/pasj/53.5.931.

harvard.edu

ui.adsabs.harvard.edu

I. Hasegawa: Orbits of Ancient and Medieval Comets. In: Publications of the Astronomical Society of Japan. Bd. 31, 1979, S. 257–270, bibcode:1979PASJ...31..257H (PDF; 288 kB).