Sunspot drawing of 1987-8-14

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https://doi.org/10.7891/e-manuscripta-142990



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1987-08-14
08:30
Hs 1304.6:1986
https://doi.org/10.7891/e-manuscripta-142990
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
80 7 13 C -25 283
82 7 14 H -30 248
83 7 18 D -23 239
84 1 1 A 17 231
4 22 46