Sunspot drawing of 1983-4-2

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https://doi.org/10.7891/e-manuscripta-140255



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1983-04-02
07:45
Hs 1304.6:668
https://doi.org/10.7891/e-manuscripta-140255
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
78 23 21 D -17 126
79 2 2 A -23 121
81 9 7 C -14 144
82 6 10 C -7 144
83 5 4 B -20 150
84 3 3 B -15 171
86 3 5 B -10 32
7 51 52