Sunspot drawing of 1987-4-19

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https://doi.org/10.7891/e-manuscripta-143061



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1987-04-19
08:00
Hs 1304.6:1882
https://doi.org/10.7891/e-manuscripta-143061
Observer : Marco Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
26 2 10 H -31 129
27 1 5 J -31 135
29 2 3 J -7 129
35 1 1 A 28 106
36 1 1 A 31 344
5 7 20