Harris, John · Montreal, Lovell Printing and Publishing Co. · leaf 55
, the value of-—-or the cosine of QCX, the iii- CN clination of the suns equator becomes known, CW being the appa-rent semi-diameter of the time. At this epoch, moreover, the nor-thern half of the circle described by the spot is visible (the southernpassing behind the body of the sun), and the… … ^ s The contrary happens in the other half year, from June 4-th toDecember 5th, and this is what is understood when we say that theascending node of the suns equator lies in 1Z° 40 longitude—a spoton the equator passing that node being then in the act of ascendingfrom the southern to the northern…
Astronomy
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