Sunspot drawing of 1990-3-21

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https://doi.org/10.7891/e-manuscripta-145314



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1990-03-21
09:00
Hs 1304.6:2796
https://doi.org/10.7891/e-manuscripta-145314
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
137 7 10 C 32 75
143 6 7 C 4 27
144 2 3 B -19 18
145 55 38 E -34 16
148 22 20 C 17 3
151 1 3 J -11 348
153 4 5 C -30 330
155 4 3 A -31 34
157 6 3 B 21 341
158 14 11 C -13 332
159 28 24 C -33 322
160 13 13 C -17 317
161 6 5 B 16 320
162 7 14 G -7 304
164 12 6 B 13 12
15 187 165