Sunspot drawing of 1988-4-2

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https://doi.org/10.7891/e-manuscripta-143688



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1988-04-02
09:00
Hs 1304.6:2170
https://doi.org/10.7891/e-manuscripta-143688
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
61 3 5 C -33 189
62 49 58 D 19 159
64 11 15 C -20 135
65 18 24 C -20 154
66 2 3 J 18 206
67 1 1 A 15 80
6 84 106