Sunspot drawing of 1991-3-18

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https://doi.org/10.7891/e-manuscripta-145762



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1991-03-18
08:30
Hs 1304.6:3106
https://doi.org/10.7891/e-manuscripta-145762
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
110 2 3 B -23 348
115 17 20 C -27 329
116 1 2 A -11 335
117 35 40 E -9 288
118 3 5 J -23 275
123 2 3 B -12 243
124 20 22 D 21 261
125 10 12 C -2 229
126 4 7 J -17 225
129 1 3 J -22 315
132 1 3 J -13 193
133 18 40 E -24 188
12 114 160