Sunspot drawing of 1983-7-20

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https://doi.org/10.7891/e-manuscripta-140412



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1983-07-20
06:45
Hs 1304.6:754
https://doi.org/10.7891/e-manuscripta-140412
Observer : Michele Bianda
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
175 4 2 B -13 158
178 4 6 J 13 127
179 3 4 B 18 163
181 26 25 D -9 143
182 5 5 B 17 107
184 10 3 B -3 132
185 10 8 C 11 82
186 2 2 A -8 84
186A 5 4 B -6 93
187 3 3 A -5 107
188 11 9 C 8 92
11 83 71