Sunspot drawing of 1991-1-16

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https://doi.org/10.7891/e-manuscripta-145808



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1991-01-16
10:15
Hs 1304.6:3054
https://doi.org/10.7891/e-manuscripta-145808
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
11 52 50 F 16 20
12 2 4 B -21 357
13 21 26 D -6 354
14 6 7 C -13 353
15 5 9 B -20 340
16 4 3 B -8 337
17 5 5 B -13 336
18 12 13 C 28 330
19 2 3 B -27 286
20 2 3 B 23 276
10 111 123