Sunspot drawing of 2015-4-15

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https://doi.org/10.7891/e-manuscripta-158859



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2015-04-15
07:00
Hs 1304.6:10341
https://doi.org/10.7891/e-manuscripta-158859
Observer : Marco Cagnotti
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
84 12 18 D 12.5 91.8
85 5 11 D 8.3 87.7
86 3 3 B 13.1 119.6
88 1 2 A -17.1 194.5
89 11 18 D 18.3 60.8
90 3 7 C 4.1 51.6
6 35 59