Sunspot drawing of 1990-1-21

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https://doi.org/10.7891/e-manuscripta-145143



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1990-01-21
09:00
Hs 1304.6:2748
https://doi.org/10.7891/e-manuscripta-145143
Observer : Michele Bianda
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
21 1 3 J -30 107
22 6 14 G 33 112
23 25 38 E 21 108
29 2 2 B 25 69
31 10 14 D -10 51
32A 2 2 B -30 97
33 1 3 J 23 39
35 13 26 D -12 42
36 22 36 D -29 22
39 2 4 C -12 23
40 10 14 C -11 7
41 4 9 C 9 69
42 7 12 C 22 35
44 1 3 J 24 5
45 1 1 A -20 105
46 4 17 D -9 344
16 111 198