Sunspot drawing of 1990-3-31

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https://doi.org/10.7891/e-manuscripta-145100



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1990-03-31
07:30
Hs 1304.6:2806
https://doi.org/10.7891/e-manuscripta-145100
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
159 1 3 J -32 320
160 1 4 J -18 316
162 5 12 C -6 311
173 1 4 J 24 245
175 1 3 J -12 229
177 2 2 A 9 256
178 17 24 D -17 251
179 2 4 J -11 182
180 1 3 J -8 180
181 12 15 C 20 274
184 10 20 D 21 164
185 1 3 J -25 151
12 54 97