Sunspot drawing of 1987-7-24

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https://doi.org/10.7891/e-manuscripta-142965



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1987-07-24
07:00
Hs 1304.6:1965
https://doi.org/10.7891/e-manuscripta-142965
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
68 3 6 J -31 241
69 24 34 D -28 255
70 18 25 D -23 186
71 1 1 A 25 249
72 6 10 C -19 222
74 8 18 D 29 146
6 60 94