Sunspot drawing of 1983-7-21

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https://doi.org/10.7891/e-manuscripta-140304



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1983-07-21
06:30
Hs 1304.6:755
https://doi.org/10.7891/e-manuscripta-140304
Observer : Michele Bianda
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
178 4 7 J 13 127
181 18 20 D -9 145
182 3 1 A 17 108
184 9 9 B -5 138
185 7 7 C 10 82
186A 3 6 B -6 93
188 21 23 D 8 94
189 1 2 A -7 28
8 66 75