Sunspot drawing of 1961-4-5

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https://doi.org/10.7891/e-manuscripta-92619



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1961-04-05
12:00
Hs 1304.5:1312
https://doi.org/10.7891/e-manuscripta-92619
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
84 2 A -13.3 351.5
86 5 J -19.1 336.7
89 20 E -17.1 314.0
92 15 D -8.5 322.0
93 4 C -3.5 238.7
94 19 D 13.0 277.9
6 65