Willson, Robert Wheeler, 1853-1922 · Boston, New York Ginn & company · leaf 136
E. Std. T E. Std. T. of rising of Pleiades ... 5 23 Example H. At what standard time dothe Pleiades set at Cambridge March 1 ? Bringing the Pleiades to the westernhorizon, we have, as in Example 13 : Camb. Sid. T. by globe (Fig. 50) . 11 IS- Suns R.A. (Problem 4) . . . . 22 50 Camb. App. T. . . • •… … wy Mm 12 25 + 13 12 38 - 16 12 22 124 LABORATORY ASTRONOMY Mark the place of the sun on the ecliptic for May 15 and bringthis point to the plane of the eastern horizon (Fig. 61). The R.A.M. gives the Camb. Sid. T. by globe Suns R.A. (Problem 4) by globe . Camb. App. T Eq. of T. by table . . . Camb.…
Astronomy
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