Sunspot drawing of 2012-2-20

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https://doi.org/10.7891/e-manuscripta-157018



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2012-02-20
09:15
Hs 1304.6:9528
https://doi.org/10.7891/e-manuscripta-157018
Observer : Marco Cagnotti
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
37 1 2 A 28.1 196.3
38 1 3 J 10.7 195.7
41 1 1 A 17.2 134.1
42 1 1 A 15.2 225.1
43 10 16 D 14.6 177.4
44 1 1 A -15.8 212.6
6 15 24