Sunspot drawing of 1981-1-14

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https://doi.org/10.7891/e-manuscripta-139040



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1981-01-14
10:00
Hs 1304.6:12
https://doi.org/10.7891/e-manuscripta-139040
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
9 4 5 B 6 5
10 16 20 C 4 347
13 3 6 C 17 42
14 1 2 A -14 354
16 11 14 C -18 336
17 5 4 A 13 331
18 2 2 A -21 315
20 1 1 A 10 351
21 2 3 A -10 323
22 8 10 C 4 278
10 53 67