Sunspot drawing of 1990-1-23

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https://doi.org/10.7891/e-manuscripta-145238



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1990-01-23
09:30
Hs 1304.6:2750
https://doi.org/10.7891/e-manuscripta-145238
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
21 1 2 A -31 105
23 12 23 E 21 112
31 3 9 G -10 50
33 1 3 A 23 37
35 30 24 C -11 41
36 44 30 D -28 22
39 6 7 B -11 22
40 2 4 J -7 5
41 12 17 B 8 69
42 12 8 B 22 32
44 1 2 A 24 5
46 35 44 E -9 340
47 6 5 B -10 6
48 6 7 B -15 339
14 171 185