Sunspot drawing of 1981-2-9

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https://doi.org/10.7891/e-manuscripta-139082



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1981-02-09
08:30
Hs 1304.6:38
https://doi.org/10.7891/e-manuscripta-139082
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
49 6 11 H 19 61
58 13 19 D -14 69
61 3 5 B 3 1
62 3 7 J 11 341
67 39 33 D 11 328
68 1 3 J 3 20
70 2 1 A 22 336
71 1 2 A -7 39
72 2 1 A 17 351
73 7 8 B -17 338
74 18 15 C 10 336
75 1 1 A -21 356
12 96 106