Sunspot drawing of 1981-1-23

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https://doi.org/10.7891/e-manuscripta-139137



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1981-01-23
08:30
Hs 1304.6:21
https://doi.org/10.7891/e-manuscripta-139137
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
22 1 3 J 7 279
24 7 15 J -21 248
26 10 15 C 14 238
27 11 15 C 10 192
28 1 3 J -4 187
29 7 11 J -9 188
30 3 8 G -26 173
32 5 8 C 17 222
33 5 5 B -22 199
34 1 3 J 22 161
10 51 86