Abstract
UNDER the above heading, in the Astr. Nachrichten, No. 2421 (March 7), Dr. Schmidt, of Athens, gives the results of his observations of this star, which became invisible to him on November 24, and remained so up to his last search for it on December 22. It must have been from rather superior telescopic power—scarcely from a better atmosphere—that I was able not alone to see it on December 21, but to recognise its deep crimson colour when no more than 12 mag., and probably less. I used a power of 53 on a 41/2 inch object-glass.
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BIRMINGHAM, J. Variable Cygni (Birmingham) 1881. Nature 25, 484 (1882). https://doi.org/10.1038/025484a0
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DOI: https://doi.org/10.1038/025484a0


