Sunspot drawing of 1961-4-30

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https://doi.org/10.7891/e-manuscripta-92594



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1961-04-30
07:00
Hs 1304.5:1333
https://doi.org/10.7891/e-manuscripta-92594
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
110 11 D -6.7 318.2
111 30 D -9.1 313.8
112 41 E 2.7 316.6
114 4 J 11.6 284.6
117 8 D 5.4 1.7
118 4 C -21.6 314.0
6 98