Dudley Observatory, American Astronomical Society, American Institute of Physics · New York [etc.] American Institute of Physics [etc.] · leaf 370
ed to Mr. Yendell. The last observa- tion of Yexdell is the time deduced by mj-self from hisobservations, reduced by my own method. E O Mean Corr. C (O-C) -13 2914.582 Y 0.659 —0.073 0.586 -0.004 0 2948.623 Y .526 + .097 .623 .000 + 5 2961 574 Y .552 + .028 .580 - .006 28 3021.565 P .470 + .095… … +.20 +.10 .01 MO 20 +.20 +.10 N«- 329. THE ASTRONOMICAL JOURNAL. 13c A sine-formula founded upon observations comprisedwithin 120 days can only be an approximation, and perhapsof no more value than the suggestion that the minima mayvary two hours or more from the times obtained from themean period.…
Astronomy
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