Sunspot drawing of 1991-4-9

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https://doi.org/10.7891/e-manuscripta-145995



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1991-04-09
06:45
Hs 1304.6:3123
https://doi.org/10.7891/e-manuscripta-145995
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
144 1 4 J 15 63
145 3 7 G -12 59
150 7 8 C 9 33
153 4 5 B -12 357
154 22 21 C -22 348
155 5 5 B -10 332
156 1 3 J 5 330
158 11 12 B -20 26
162 3 2 B -12 346
165 6 6 B -19 307
166 7 7 B 6 307
169 1 1 A 22 349
170 11 14 D 29 286
171 4 6 B -25 267
172 4 5 B 15 267
173 1 1 A -9 15
174 4 3 B 8 338
175 5 4 B -27 321
176 1 2 A -13 267
19 101 116