Sunspot drawing of 1981-1-25

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https://doi.org/10.7891/e-manuscripta-139189



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1981-01-25
09:15
Hs 1304.6:23
https://doi.org/10.7891/e-manuscripta-139189
Observer : Roberto Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
24 5 8 J -20 248
26 3 6 J 15 238
27 11 15 C 12 190
28 1 3 J -3 187
29 17 23 C -8 188
30 1 3 J -25 175
32 2 6 J 17 225
35 2 4 J 15 199
36 1 3 J -25 193
9 43 71