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Astronomy, a handy manual for students and others (1918)

Dyson, Frank Watson, Sir, 1868-1939 · New York, E.P. Dutton & Co. · leaf 157

An illustration from Astronomy, a handy manual for students and others, 1918, leaf 157
given by Mr. Stanley Williams. Latitude. Period of Revolution. No. of Spots observed. + 6o°to+25° 9h 55m 39*43s 9 + 250 to + io° 9I1 55m 39*92s 15 + io° to o° gh 50m 23*88s 27 o° to -120 9I1 50m 27*853 21 - 160 to - 280 gh 55m 8*2s 1 - 280 to -45° 9I1 55m o*9s 2Red Spot gh 55m 40*585 — L 146… … ■ ■ • _ ■■»-..-.■•■- ■.. *•■«-. — .: ,-, •*»—,• > R = 9 55 39

Astronomy

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