Sunspot drawing of 1990-12-28

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https://doi.org/10.7891/e-manuscripta-145336



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1990-12-28
09:00
Hs 1304.6:3045
https://doi.org/10.7891/e-manuscripta-145336
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
690 2 1 A 17 293
694 33 33 D -21 258
694A 8 8 B -25 246
695 8 13 C -18 239
696 3 11 C -11 248
698 25 20 C -9 254
699 2 4 J -11 185
700 1 2 A 19 165
701 2 3 A -11 202
9 84 95