Sunspot drawing of 1987-10-18

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https://doi.org/10.7891/e-manuscripta-142943



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1987-10-18
08:00
Hs 1304.6:2039
https://doi.org/10.7891/e-manuscripta-142943
Observer : Marco Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
110 29 47 D 22 194
111 3 7 J -30 182
112 1 3 J -28 237
113 8 23 D -24 208
115 1 2 A -34 94
5 42 82