Sunspot drawing of 2004-4-20

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https://doi.org/10.7891/e-manuscripta-152775



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2004-04-20
07:15
Hs 1304.6:7118
https://doi.org/10.7891/e-manuscripta-152775
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
61 1 2 A 13.6 155.0
62 9 9 C -6.2 130.0
64 16 15 D -8.6 112.0
65 5 7 B -6.5 200.4
66 5 7 B -19.1 178.4
5 36 40