Abstract
COMET 1907d (DANIEL).—Several observations of this comet are recorded in No. 4188 of the Astronomische Nachrichten (p. 207, July 4). Observing at Kremsmiinster on June 24, Prof. saw a nebulous body of about 2′ diameter with a nucleus; the comet disappeared in the with stars of the ninth magnitude, van Biesbroeck, with the 15-inch refractor at Lfccle, found the magnitude to be 8-5 for the whole comet, on June 19, this being decidedly brighter than on the previous day. On June 27 Prof. Hartwig saw a bright centrally-placed condensation. On July 4, Dr. Lappa, observing at Rome, found, the magnitude of the nucleus to be between 6.0 and 7.0.
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Our Astronomical Column . Nature 76, 280–281 (1907). https://doi.org/10.1038/076280a0
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DOI: https://doi.org/10.1038/076280a0