Sunspot drawing of 1990-2-3

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https://doi.org/10.7891/e-manuscripta-145102



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1990-02-03
08:15
Hs 1304.6:2755
https://doi.org/10.7891/e-manuscripta-145102
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
46 2 8 H -12 329
52 1 4 J 11 308
57 3 8 G 25 322
58 6 13 C -15 314
63 7 15 C 14 302
64 5 9 C 24 265
70 17 30 D 8 249
72 1 3 J 7 310
73 13 23 D 15 254
9 55 113