Sunspot drawing of 2013-9-23

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https://doi.org/10.7891/e-manuscripta-157787



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2013-09-23
08:00
Hs 1304.6:9970
https://doi.org/10.7891/e-manuscripta-157787
Observer : Marco Cagnotti
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
273 3 6 H -18.6 58.5
276 5 9 C 19.6 78.7
277 3 5 C 7.5 29.5
279 1 2 A -20.2 80.8
280 1 1 A -15.6 71.6
281 1 2 A -17.7 0.6
6 14 25