Sunspot drawing of 1987-10-10

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https://doi.org/10.7891/e-manuscripta-142934



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1987-10-10
10:45
Hs 1304.6:2036
https://doi.org/10.7891/e-manuscripta-142934
Observer : Marco Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
106 4 5 J 30 331
107 2 1 B 35 284
108 6 6 B -25 262
110 10 23 D 21 192
111 1 4 J -30 187
5 23 39