Sunspot drawing of 1981-3-24

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https://doi.org/10.7891/e-manuscripta-139172



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1981-03-24
08:00
Hs 1304.6:75
https://doi.org/10.7891/e-manuscripta-139172
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
135 18 24 D 8 210
138 9 14 C 19 172
139A 4 6 B 12 163
140 21 31 G 13 144
142 6 7 B -18 142
143 1 3 J 19 131
144 3 6 J -44 108
145 5 8 C 17 141
146 6 10 J -28 130
147 5 9 C 21 94
148 1 3 J -10 66
11 79 121