Sunspot drawing of 1989-4-1

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https://doi.org/10.7891/e-manuscripta-144725



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1989-04-01
15:45
Hs 1304.6:2489
https://doi.org/10.7891/e-manuscripta-144725
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
134 6 11 C -26 68
138 1 3 J 13 57
139 4 5 C 22 32
145 3 5 B 17 336
148 40 48 F -19 310
150 1 2 A -29 296
151 4 3 B 38 303
152 2 4 B -24 277
153 1 1 A 12 290
9 62 82