Sunspot drawing of 2015-1-31

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https://doi.org/10.7891/e-manuscripta-158731



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2015-01-31
09:15
Hs 1304.6:10291
https://doi.org/10.7891/e-manuscripta-158731
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
20 19 26 F -10.8 48.2
22 7 13 D 17.1 71.8
23 5 6 C -17.5 84.7
25 2 2 A -3.2 71.4
26 1 3 J 11.9 12.0
27 3 2 B -6.6 18.1
28 17 24 D 5.9 336.7
29 1 1 A -7.9 9.2
30 12 17 D 9.5 321.8
9 67 94