Sunspot drawing of 1981-3-1

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https://doi.org/10.7891/e-manuscripta-139070



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1981-03-01
09:45
Hs 1304.6:57
https://doi.org/10.7891/e-manuscripta-139070
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
92 4 11 G -17 133
93 38 40 E -16 99
96 12 14 B 18 100
97 5 8 C -7 111
98 21 22 H -12 75
99 20 14 B -14 73
104 19 28 C -12 51
105 1 3 J -3 37
107 5 6 B 20 124
108 2 6 G 4 15
10 127 152