Sunspot drawing of 1990-3-12

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https://doi.org/10.7891/e-manuscripta-145128



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1990-03-12
08:00
Hs 1304.6:2787
https://doi.org/10.7891/e-manuscripta-145128
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
130 4 8 C 29 184
131 7 13 H -11 181
134 5 7 J 20 102
136 5 3 B -8 107
137 27 26 D 32 77
139 3 6 B 27 102
140 3 3 A -18 150
141 10 11 B 11 143
8 64 77