Sunspot drawing of 1981-2-16

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https://doi.org/10.7891/e-manuscripta-139025



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1981-02-16
12:45
Hs 1304.6:45
https://doi.org/10.7891/e-manuscripta-139025
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
62 1 3 J 12 342
67 9 17 D 11 328
70 1 3 J 23 342
74 6 10 C 12 335
78 1 1 A -8 319
79 42 39 D 18 262
80 5 6 H 11 260
81 20 24 D -19 256
84 8 10 C 15 237
85 7 10 C 11 249
10 100 123