Abstract
BORRELLY'S COMET.—This comet is now quite an easy object in a moderate telescope. Mr. R. L. Water-field observed it at Cheltenham with a 4-in. refractor early in November. It was brighter than 9th magnitude with central condensation, but no stellar nucleus, diameter about 2′, The brightness will continue to increase throughout November, and the increasing north declination will facilitate observation.
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Our Astronomical Column . Nature 102, 215–216 (1918). https://doi.org/10.1038/102215a0
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DOI: https://doi.org/10.1038/102215a0