Sunspot drawing of 1990-12-6

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https://doi.org/10.7891/e-manuscripta-145276



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1990-12-06
08:30
Hs 1304.6:3027
https://doi.org/10.7891/e-manuscripta-145276
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
651 2 4 J -21 231
652 1 3 J 15 222
654 1 3 J -16 208
657 10 17 D -24 188
660 3 8 J 34 178
665 4 8 D -21 214
666 3 8 D -23 248
668 2 5 J 14 169
669 1 3 J 20 164
670 40 40 D 17 150
671 20 32 D 9 144
674 1 2 A -25 172
676 2 3 B -11 176
677 1 2 A -11 105
14 91 138