Sunspot drawing of 2003-2-28

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https://doi.org/10.7891/e-manuscripta-152186



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2003-02-28
09:00
Hs 1304.6:6765
https://doi.org/10.7891/e-manuscripta-152186
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
51 3 3 J 17.5 334.0
53 1 1 A -8.4 303.2
54 2 1 A -20.8 235.1
55 11 9 C -7.5 217.2
56 4 5 C -18.8 191.5
57 1 3 H 11.7 174.3
6 22 22