Stars and telescopes; a hand-book of popular astronomy founded on the 9th ed. of Lynn's Celestial motions (1901)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911 · Boston, Little, Brown · leaf 92
eet Also at Meudon, Paris, M. Janssev has had extraordinarysuccess in photographing the Suns surface in detail; its gran-ulation, sharply defined in his originals, is somewhat blurredin the reproduction on page 62. In viewing the Sun with atelescope this granulation can be satisfactorily seen with… … W oo> I 2 J Wcq a!< O H > OS Win03 o s<c HO0. w s 62 Stars and Telescopes which was total in Switzerland in 1706.18 It was longcontested whether they belonged to the Sun or to the average sun-spot period of n| years, there are great irrregu-larities: the intervals between maxima have…
Astronomy
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