Sunspot drawing of 1990-12-4

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https://doi.org/10.7891/e-manuscripta-145330



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1990-12-04
09:00
Hs 1304.6:3025
https://doi.org/10.7891/e-manuscripta-145330
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
649 2 4 C -6 268
650 1 3 J -3 245
651 1 3 J -20 231
652 2 5 J 15 222
654 1 3 J -15 208
657 7 10 J -23 188
660 2 6 C 34 178
662 1 3 J 9 207
664 4 10 C -21 259
665 1 3 J -19 215
666 5 12 C -23 249
667 6 8 B -33 198
668 4 8 C 15 165
669 4 8 C 21 161
670 22 36 D 17 149
671 5 12 G 10 143
672 4 5 B -10 174
673 3 5 B 19 222
674 2 5 C -24 174
19 77 149