Sunspot drawing of 1981-3-27

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https://doi.org/10.7891/e-manuscripta-139196



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1981-03-27
07:15
Hs 1304.6:78
https://doi.org/10.7891/e-manuscripta-139196
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
139A 4 7 J 10 162
140 21 29 D 12 145
142 4 3 B -18 142
143 2 3 J 19 131
144 11 13 H -43 104
145 8 14 D 16 140
147 10 10 C 21 94
148 3 7 G -12 67
150 1 2 A 16 169
151 5 6 B -15 52
152 6 8 B 17 40
11 75 102