Abstract
KOPFF'S PERIODIC COMET.—This short-period comet was discovered by Kopff in 1906, and was detected again after two revolutions in 1919. It passed perihelion last January, when ephemerides were published in the B.A .A. Handbook and elsewhere. However, the comet was then badly placed for observation, being nearly behind the sun; it escaped observation for six months after perihelion. Prof. M. Wolf succeeded in photographing it on July 13 at 1h 5.2m U.T. in R.A. 1h 17m 12s, N. Decl. 18° 14′, the magnitude being 16. The observation indicates Jan. 27.15 as the date of perihelion. The other elements are taken from the Handbook:
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Our Astronomical Column. Nature 118, 131 (1926). https://doi.org/10.1038/118131a0
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DOI: https://doi.org/10.1038/118131a0