Sunspot drawing of 1981-2-24

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https://doi.org/10.7891/e-manuscripta-139176



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1981-02-24
08:00
Hs 1304.6:52
https://doi.org/10.7891/e-manuscripta-139176
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
84 1 3 J 15 238
86 8 9 C 12 182
90 46 46 D 11 198
92 5 9 H -18 132
93 31 39 D -16 101
94 1 1 A -14 128
95 1 3 J -8 98
96 1 2 A 15 101
97 2 2 B -6 110
98 7 16 D -12 76
99 4 7 J -16 75
11 107 137