Sunspot drawing of 1990-1-4

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https://doi.org/10.7891/e-manuscripta-145358



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1990-01-04
09:00
Hs 1304.6:2731
https://doi.org/10.7891/e-manuscripta-145358
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
683 2 6 D 23 12
686 2 3 J -9 3
688 20 20 C -19 344
695 3 6 J 18 303
699 16 14 C 12 305
701 4 3 A 24 306
702 1 1 A 13 283
705 21 17 C 14 289
706 2 4 J -37 268
1 3 6 C -22 5
2 4 6 A -37 254
3 14 12 B -28 325
4 8 8 B -25 304
5 7 12 C 24 256
6 4 4 B -23 229
7 1 1 A -14 231
8 2 6 C -25 3
9 6 5 B 18 282
18 120 134