The variable RS Cassicpeiae (108.1904)
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The variability of this star was discovered by Madame Ceraski from plates made by Blakjo at Moscow, and was announced in A. N. No. 3953. The photographs indicated a variation from the ninth to the eleventh magnitude approximately. Observations by Miss Whitney at the Vassar College Observatory, A. N. No. 4050, confirmed the variation and gave a range in brightness of 9.m7 to 10.m4. The following provisional elements, based upon observations made here, were announced in Laws Observatory Bulletin No. 10. Min. = J.D.2417412.50 + 6.d298E, G.M.T. The present paper contains a revision these elements and a discussion of all the observations thus far obtained.
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