Sunspot drawing of 1989-3-20

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https://doi.org/10.7891/e-manuscripta-144589



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1989-03-20
10:00
Hs 1304.6:2477
https://doi.org/10.7891/e-manuscripta-144589
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
120 17 17 D -14 177
123 3 5 C -17 222
124 5 5 B 17 207
125 5 5 A 32 173
128 7 10 B -20 151
129 38 28 D 18 138
130 18 20 C 13 126
131 2 3 A 24 203
132 15 15 C -18 162
133 6 7 B -13 152
134 5 16 D -25 72
11 121 131