Sunspot drawing of 1991-2-12

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https://doi.org/10.7891/e-manuscripta-145857



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1991-02-12
08:15
Hs 1304.6:3079
https://doi.org/10.7891/e-manuscripta-145857
Observer : Michele Bianda
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
51 1 3 J -11 70
55 12 17 C 13 27
56 26 31 D 14 11
58 1 3 J -15 340
60 2 2 B -8 359
61 5 6 C -11 332
62 1 3 J -4 324
63 3 2 B -7 315
64 1 1 A -20 6
65 3 2 B 20 1
66 4 4 B -14 348
67 7 9 C -10 325
68 6 5 B -13 11
69 1 1 A -5 3
70 6 15 C 26 290
15 79 104