Sunspot drawing of 1984-4-19

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https://doi.org/10.7891/e-manuscripta-141022



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1984-04-19
08:30
Hs 1304.6:989
https://doi.org/10.7891/e-manuscripta-141022
Observer : Marco Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
101 25 30 D 7 142
103 18 17 C -16 83
104 14 15 C 4 152
105 1 4 J -11 40
106 5 4 B -17 98
5 63 70