Sunspot drawing of 1963-4-7

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https://doi.org/10.7891/e-manuscripta-93656



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1963-04-07
13:00
Hs 1304.5:1948
https://doi.org/10.7891/e-manuscripta-93656
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
46 21 C 0.8 9.7
47 3 A 11.3 5.0
48 26 D 14.0 344.1
3 50