Sunspot drawing of 2004-4-21

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https://doi.org/10.7891/e-manuscripta-152825



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2004-04-21
07:15
Hs 1304.6:7119
https://doi.org/10.7891/e-manuscripta-152825
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
62 17 10 C -7.3 129.9
64 22 18 D -7.9 112.6
65 3 5 C -6.2 202.6
66 6 4 B -19.4 180.1
67 3 2 A -6.0 159.0
5 51 39