Sunspot drawing of 1991-4-6

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https://doi.org/10.7891/e-manuscripta-145881



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1991-04-06
07:15
Hs 1304.6:3120
https://doi.org/10.7891/e-manuscripta-145881
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
144 28 28 D 14 58
145 16 23 D -11 56
150 22 32 D 9 31
153 8 9 C -12 357
154 9 11 C -21 352
155 1 3 J -7 333
156 1 3 J 5 330
157 3 4 C 27 328
158 13 10 B -19 25
159 2 2 B 15 13
160 5 3 A -11 10
161 1 1 A 23 350
162 4 5 B -12 344
13 113 134