Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 194
ce of an eclipse must be deter-mined by computation. The ecliptic limits corresponding to a total lunar eclipseare 5°.6 and 4°. The circumstances of a lunar eclipse which are predictedby astronomers and laid down in the almanacs are the timesof beginning, of the middle, and of ending, and in case… … Fig. 85a. Partial Eclipse of the Moon. Explanation. NL is an arc of the ecliptic ; ND is the relative orhit of themoon ; KGB is the cross-section of the earths umbra at the moons distance fromthe earth ; C, E, D, are the positions of the moon at the times of beginning, middle,and end of the eclipse…
Astronomy
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