Sunspot drawing of 1987-4-14

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https://doi.org/10.7891/e-manuscripta-142884



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1987-04-14
07:30
Hs 1304.6:1877
https://doi.org/10.7891/e-manuscripta-142884
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
25 7 10 C -23 179
26 15 28 D -31 129
27 13 16 C -32 136
29 11 12 C -6 127
30 3 2 A -8 115
31 2 2 A -32 118
32 5 6 C 24 70
7 56 76