Sunspot drawing of 1991-4-22

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https://doi.org/10.7891/e-manuscripta-145792



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1991-04-22
12:30
Hs 1304.6:3134
https://doi.org/10.7891/e-manuscripta-145792
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
180 3 8 C 6 243
188 4 3 B 14 218
191 1 2 A -19 243
192 9 10 C -10 190
197 4 4 A 17 227
201 14 12 B -20 178
207 5 7 B -14 220
208 7 4 A -7 181
209 3 2 B -19 155
9 50 52