Sunspot drawing of 2013-8-20

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https://doi.org/10.7891/e-manuscripta-157901



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2013-08-20
08:00
Hs 1304.6:9939
https://doi.org/10.7891/e-manuscripta-157901
Observer : Marco Cagnotti
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
229 2 6 H -5.7 218.9
234 11 17 D -12.5 175.4
237 8 11 C -7.9 139.3
238 6 10 C 14.8 184.9
239 2 5 C -12.4 196.4
241 5 14 D -18.5 98.5
242 1 1 A 20.0 184.9
243 2 4 C 13.9 90.6
244 2 2 B 16.9 82.8
9 39 70