Sunspot drawing of 1991-2-25

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https://doi.org/10.7891/e-manuscripta-145961



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1991-02-25
08:30
Hs 1304.6:3092
https://doi.org/10.7891/e-manuscripta-145961
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
74 10 15 D -12 265
78 21 16 C -17 227
81 5 6 C 29 227
83 54 49 E -14 191
84 61 60 E -22 194
88 9 7 B 12 186
90 14 15 C 17 176
92 13 13 C -11 150
96 15 14 C -7 157
97 1 2 A 17 129
98 9 7 B -11 176
99 3 4 B 27 176
12 215 208