Sunspot drawing of 1981-2-22

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https://doi.org/10.7891/e-manuscripta-139036



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1981-02-22
08:30
Hs 1304.6:50
https://doi.org/10.7891/e-manuscripta-139036
Observer : Roberto Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
80 1 3 J 11 263
84 1 3 J 15 238
85 4 8 C 9 254
86 5 8 J 12 185
88 3 8 C -6 261
90 49 44 D 11 199
92 2 7 H -17 134
93 4 7 -16 99
8 69 88