Sunspot drawing of 1981-1-11

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https://doi.org/10.7891/e-manuscripta-139045



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1981-01-11
12:30
Hs 1304.6:10
https://doi.org/10.7891/e-manuscripta-139045
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
3 23 42 D -13 72
4 2 2 A -11 49
8 6 12 C -5 54
9 19 28 D 7 4
10 10 25 D 5 347
12A 4 6 C 12 54
13 11 16 C 18 41
14 4 8 C -13 348
8 79 139