Sunspot drawing of 2015-4-18

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https://doi.org/10.7891/e-manuscripta-158949



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2015-04-18
10:00
Hs 1304.6:10343
https://doi.org/10.7891/e-manuscripta-158949
Observer : Marco Cagnotti
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
84 10 14 C 11.6 96.0
85 5 10 D 8.6 87.4
89 7 14 D 18.8 60.0
90 3 6 J 4.4 52.1
91 3 3 A 15.0 83.9
92 1 1 A 14.3 113.7
93 1 1 A -7.7 102.4
94 1 1 A -18.7 94.7
95 2 5 C -9.6 12.5
96 2 2 A -1.2 135.0
10 35 57