Sunspot drawing of 2015-7-13

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https://doi.org/10.7891/e-manuscripta-158854



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2015-07-13
08:30
Hs 1304.6:10414
https://doi.org/10.7891/e-manuscripta-158854
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
171 7 10 G 13.5 73.5
176 7 8 C -17.6 11.6
178 3 2 A 6.4 100.1
180 1 3 J 10.0 310.9
4 18 23