Sunspot drawing of 1990-1-20

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https://doi.org/10.7891/e-manuscripta-145250



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1990-01-20
09:15
Hs 1304.6:2747
https://doi.org/10.7891/e-manuscripta-145250
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
21 1 3 J -30 107
22 8 16 G 33 111
23 34 43 E 21 106
24 2 3 B -20 103
27 3 3 B 15 102
29 1 3 J 25 68
31 21 27 D -10 51
32A 6 10 B -29 97
33 1 3 J 24 37
35 19 25 D -12 41
36 19 30 D -29 22
38 2 1 A -14 104
39 7 9 C -11 20
40 10 17 C -10 7
41 2 4 B 9 68
42 6 7 B 22 33
43 1 2 A 26 23
44 1 3 J 25 4
18 144 209