Sunspot drawing of 2013-2-7

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https://doi.org/10.7891/e-manuscripta-157805



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2013-02-07
08:45
Hs 1304.6:9796
https://doi.org/10.7891/e-manuscripta-157805
Observer : Marco Cagnotti
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
28 1 3 J 12.3 242.0
31 3 7 C 21.5 196.6
33 4 4 B 7.1 162.3
34 3 5 B 17.5 161.9
4 11 19