Sunspot drawing of 1972-5-12

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https://doi.org/10.7891/e-manuscripta-97079



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1972-05-12
07:15
Hs 1304.5:4751
https://doi.org/10.7891/e-manuscripta-97079
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
147 12 C -14.9 94.2
150 1 A 6.3 91.7
151 26 D 16.4 92.9
153 4 A 13.2 83.4
154 2 B 6.6 29.9
155 19 D -6.9 7.5
156 18 D -5.2 331.1
7 82