Sunspot drawing of 1971-6-28

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https://doi.org/10.7891/e-manuscripta-96734



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1971-06-28
07:30
Hs 1304.5:4494
https://doi.org/10.7891/e-manuscripta-96734
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
185 8 B 8.8 338.0
186 5 B -21.7 346.8
189 18 C 14.8 293.8
190 2 B -15.7 329.3
191 7 B 14.5 303.2
194 16 D -8.5 237.5
195 3 J 16.2 228.7
196 15 D -13.7 226.0
8 74