Sunspot drawing of 1981-1-27

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https://doi.org/10.7891/e-manuscripta-139163



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1981-01-27
08:30
Hs 1304.6:25
https://doi.org/10.7891/e-manuscripta-139163
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
27 10 15 C 10 189
28 1 3 J -5 187
29 7 13 C -9 189
30 1 3 J -26 174
36 6 8 J -29 186
38 5 8 B -18 148
39 22 31 D -12 101
40 3 6 C 8 242
41 2 3 B 19 170
42 6 12 D 15 90
43 1 3 J -10 84
11 64 105