Sunspot drawing of 1989-4-7

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https://doi.org/10.7891/e-manuscripta-144812



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1989-04-07
07:30
Hs 1304.6:2493
https://doi.org/10.7891/e-manuscripta-144812
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
148 11 20 C -18 313
148A 17 20 C -19 302
157 12 17 C -12 294
159 4 7 J -16 251
160 6 8 B 18 333
161 1 1 A 8 320
162 4 3 A 30 313
163 10 14 C 17 285
164 9 14 D -17 271
165 3 4 B -19 251
166 1 1 A 28 264
167 8 13 H 35 231
168 2 6 G 23 201
169 4 10 C 28 326
170 1 1 A -24 274
15 93 139