Sunspot drawing of 1988-1-20

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https://doi.org/10.7891/e-manuscripta-143614



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1988-01-20
13:15
Hs 1304.6:2107
https://doi.org/10.7891/e-manuscripta-143614
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
6 7 9 B -34 37
9 5 6 B -37 25
10 40 50 E -20 8
11 23 26 D -30 345
12 4 3 B 25 18
13 4 4 B -23 348
14 2 1 A 12 339
15 2 2 B 18 324
8 87 101