Sunspot drawing of 2013-1-31

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https://doi.org/10.7891/e-manuscripta-157846



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2013-01-31
08:45
Hs 1304.6:9790
https://doi.org/10.7891/e-manuscripta-157846
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
22 1 3 J 26.8 315.8
24 3 4 J -9.9 302.8
28 1 3 J 9.9 242.2
29 1 2 A -25.0 244.6
4 6 12