Sunspot drawing of 1990-3-20

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https://doi.org/10.7891/e-manuscripta-145350



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1990-03-20
09:45
Hs 1304.6:2795
https://doi.org/10.7891/e-manuscripta-145350
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
134 1 3 J 20 99
137 14 20 D 32 74
143 5 7 B 6 27
144 1 3 J -19 19
145 46 43 E -34 15
147 3 4 B 43 30
148 32 22 D 17 4
151 2 3 J -11 347
153 6 8 C -30 327
155 8 6 B -32 32
157 4 4 B 20 345
158 10 9 B -13 331
159 26 22 D -32 322
160 20 16 C -17 315
161 9 8 B 16 318
162 4 9 G -7 302
163 5 4 B 11 31
17 196 191