Sunspot drawing of 1984-4-21

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https://doi.org/10.7891/e-manuscripta-140936



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1984-04-21
08:30
Hs 1304.6:991
https://doi.org/10.7891/e-manuscripta-140936
Observer : Marco Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
101 5 12 G 8 143
103 15 16 C -15 78
104 7 13 G 5 152
105 7 9 C -10 40
106 3 3 B -17 92
107 1 5 G -11 354
6 38 58