A beginner's star-book; an easy guide to the stars and to the astronomical uses of the opera-glass, the field-glass and the telescope (1912)
Murphy, Edgar Gardner, 1869-1913 · New York, London, G.P. Putnam's Sons · leaf 57
e taken toensure the steadiness of the instrument. Iota (i) [83]in the same group should be tried also, as well as the starsOmicron (o) [163], Delta (8) [166], and Iota (i) [164] inDraco. Gamma (7) [165], in Dracos head, is a littlemore difficult. At the time covered by our next map ofthe northern… … NIGHT-CHART TO THE SKY AS THE OBSERVER FACES SOUTH.MARCH 1, 8 P.M., FEB. 15, 9 P.M., FEB. 1, 10 P.M., JAN. IS, 11 P.M., JAN. 1, 12 P.M. FOR KEV-M.\P TO THIS CHART SEE OPPOSITE P.AGE. FOR THE SKY AS THE OBSERVER F.ACES NORTH, SEE PP. 42, 43. For the sky at other Dates and Hours see Time Schedule, p.…
Astronomy
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