Sunspot drawing of 2013-9-4

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https://doi.org/10.7891/e-manuscripta-157878



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2013-09-04
07:15
Hs 1304.6:9954
https://doi.org/10.7891/e-manuscripta-157878
Observer : Marco Cagnotti
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
252 4 9 C -11.5 11.5
253 4 9 C 12.3 23.2
254 7 9 C 11.8 342.4
259 10 17 D -16.9 352.2
4 25 44