Sunspot drawing of 1981-2-27

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https://doi.org/10.7891/e-manuscripta-139071



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1981-02-27
10:30
Hs 1304.6:55
https://doi.org/10.7891/e-manuscripta-139071
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
86 1 3 J 12 184
90 7 20 G 12 193
92 11 18 G -17 132
93 59 49 E -16 101
95 5 5 J -8 100
96 9 5 B 17 98
97 11 12 D -7 112
98 30 26 H -12 77
99 10 9 J -17 74
100 1 1 A -10 96
101 2 1 A 22 98
103 1 1 A 19 59
104 11 11 D -13 47
105 1 3 J -4 36
14 159 164