Sunspot drawing of 1981-1-1

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https://doi.org/10.7891/e-manuscripta-139207



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1981-01-01
10:00
Hs 1304.6:1
https://doi.org/10.7891/e-manuscripta-139207
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
717 1 4 J -23 201
718 1 3 J 26 190
719 1 3 J -28 180
721 11 30 E -8 181
724 1 3 J 25 168
728 3 10 C 23 180
730 14 24 D 14 195
737 2 7 G -8 153
741 4 10 J 11 123
743 3 7 C 22 159
744 3 7 J 12 112
746 9 19 D 13 212
12 53 127