Sunspot drawing of 1973-6-12

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https://doi.org/10.7891/e-manuscripta-97440



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1973-06-12
08:15
Hs 1304.5:5090
https://doi.org/10.7891/e-manuscripta-97440
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
130 19 B 13.1 264.0
131 16 C 14.7 209.6
132 7 C -15.5 209.4
135 13 D 12.0 151.3
138 3 B 15.2 229.7
139 2 B -10.4 187.6
6 60