Page:Philosophical Transactions - Volume 095.djvu/151

Rh attended to in the computation, and then the mean of the whole will be 33+ and 29— days: thus it appears that the time of the decrease is longer than that of the increase, and consequently that the places of the full and the least brightness are not situated at the distance of half the circumference from each other: the like circumstance will be found to be the case with most, if not all, of the variable stars. The next particulars to be reviewed are the durations of its brightness without any perceptible change, while at its maximum and minimum. These determinations require a tolerable succession of observations; where therefore that is not the case, they are omitted.