Sunspot drawing of 2004-3-31

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https://doi.org/10.7891/e-manuscripta-152791



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2004-03-31
07:30
Hs 1304.6:7103
https://doi.org/10.7891/e-manuscripta-152791
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
50 1 3 J -4.1 61.7
51 20 21 D 13.5 57.0
53 6 5 B -15.4 49.0
54 18 18 C -13.7 10.7
4 45 47