Sunspot drawing of 1991-4-10

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https://doi.org/10.7891/e-manuscripta-145911



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1991-04-10
07:00
Hs 1304.6:3124
https://doi.org/10.7891/e-manuscripta-145911
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
150 4 5 C 9 34
153 1 2 A -11 359
154 19 18 C -22 351
155 5 5 B -10 334
156 1 3 J 5 331
158 11 13 D -20 27
162 6 6 B -11 350
165 2 4 B -19 307
166 2 3 A 5 310
170 12 15 D 29 286
171 13 15 C -25 258
172 4 4 B 15 269
175 2 1 A -28 320
176 1 1 A -13 267
177 2 1 A -18 335
178 1 1 A 10 332
179 1 1 A -27 270
180 6 15 D 10 240
18 93 113