Sunspot drawing of 2004-1-31

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https://doi.org/10.7891/e-manuscripta-152866



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2004-01-31
09:30
Hs 1304.6:7054
https://doi.org/10.7891/e-manuscripta-152866
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
12 1 1 A -20.5 163.4
13 3 5 C -11.3 77.6
14 8 8 B -9.9 115.9
15 1 2 A 5.0 86.2
16 2 9 D 13.2 48.9
5 15 25