Sunspot drawing of 1991-3-28

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https://doi.org/10.7891/e-manuscripta-145872



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1991-03-28
08:15
Hs 1304.6:3112
https://doi.org/10.7891/e-manuscripta-145872
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
132 5 8 C -13 191
133 90 71 E -24 183
138 2 5 J -20 197
139 21 18 D 16 173
140 9 10 C -10 163
141 15 18 E -15 140
143 2 1 A -25 146
144 2 3 J 17 55
145 2 5 C -10 51
9 148 139