Sunspot drawing of 1991-2-23

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https://doi.org/10.7891/e-manuscripta-145844



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1991-02-23
08:45
Hs 1304.6:3090
https://doi.org/10.7891/e-manuscripta-145844
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
74 21 20 D -13 264
78 16 16 C -16 229
81 8 8 C 29 228
82 1 1 A -4 228
83 54 54 E -14 191
84 70 66 E -21 196
86 6 11 B 7 277
88 10 12 B 12 187
90 14 17 D 17 175
92 4 9 J -11 151
93 1 1 A -16 247
94 1 1 A -12 212
95 2 2 A 25 215
96 7 4 B -7 157
14 215 222