Willson, Robert Wheeler, 1853-1922 · Boston, New York Ginn & company · leaf 140
nner graduations of the meridian. Notice that the four first stars lie alongthe same hour-circle, which is the equinoc-tial colure, in E.A. 0, and that this circleis divided roughly by them into multiplesof 15°, thus : Polaris to /3 Cassiopeiae, 30°;j8 Cassiopeiae to a Andromedae, 30°; a Andromedas… … Fig. 57. stars on Meridianat Cambridge at 0^ Side-real Time 128 LABORATORY ASTRONOMY Example 22. What is the standard time corresponding to O* ofsidereal time at Cambridge October 10 ? The sidereal time being given, this problem is similar to Exam-ples 13, 14, and 15, and illustrates the general…
Astronomy
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