Sunspot drawing of 1967-4-13

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https://doi.org/10.7891/e-manuscripta-95047



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1967-04-13
07:15
Hs 1304.5:3192
https://doi.org/10.7891/e-manuscripta-95047
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
146 4 A -24.6 130.5
147 3 J -20.5 149.3
151 11 C 22.9 109.2
154 4 J 14.0 54.7
155 4 B 12.3 106.4
156 3 A 13.8 83.0
157 3 H 24.3 346.7
7 32