Sunspot drawing of 1963-4-13

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https://doi.org/10.7891/e-manuscripta-93601



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1963-04-13
07:00
Hs 1304.5:1952
https://doi.org/10.7891/e-manuscripta-93601
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
48 9 D 15.8 343.8
49 7 C 11.3 338.5
50 6 C -19.7 252.9
52 31 D -10.8 248.4
4 53