Researches on Solar Physics.--No. II. The Positions and Areas of the Spots Observed at Kew During the Years 1864-66, Also the Spotted Area of the Sun's Visible Disk From the Commencement of 1832 Up to May 1868.
Proceedings of the Royal Society of London
doi 10.1098/rspl.1869.0060
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Date
December 31, 1870
Authors
Unknown
Publisher
The Royal Society