Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 202
Fig. 118. Fig. 119. to represent the place of the planet; and the dot must be numbered(1). In his note-book opposite 1 the observer must write the year,the month, the day, and the hour of observation thus : 1. 1899, February 27, 9b p.m. The place of the planet is much more accurately fixed if…
Astronomy
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