Sunspot drawing of 1981-1-4

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https://doi.org/10.7891/e-manuscripta-139061



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1981-01-04
10:30
Hs 1304.6:4
https://doi.org/10.7891/e-manuscripta-139061
Observer : Roberto Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
719 1 3 J -29 178
721 1 4 J -6 184
730 1 5 D 14 193
740 1 2 A 9 179
741 3 6 J 11 122
743 7 18 D 23 158
744 5 15 D 11 111
2 7 22 D 8 141
3 3 7 D -14 72
4 4 9 C -16 49
5 1 3 J 6 117
11 34 94