Sunspot drawing of 1981-1-30

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https://doi.org/10.7891/e-manuscripta-139190



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1981-01-30
08:30
Hs 1304.6:28
https://doi.org/10.7891/e-manuscripta-139190
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
27 2 3 A 10 192
28 1 2 A -5 188
30 2 1 A -28 173
36 2 3 J -28 190
38 2 1 A -21 146
39 24 28 D -12 103
41 2 2 A 20 174
42 17 19 D 14 91
43 20 24 D -12 82
44 6 12 C -17 89
45 2 3 B -5 88
47 2 2 A -18 121
48 7 13 B 13 70
49 5 8 H 18 62
50 3 5 B -8 57
51 2 3 B 14 53
16 99 129