Sunspot drawing of 1991-12-12

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https://doi.org/10.7891/e-manuscripta-145813



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1991-12-12
08:30
Hs 1304.6:3332
https://doi.org/10.7891/e-manuscripta-145813
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
638 17 25 D 18 354
639 2 6 J 10 354
641 33 39 E -17 341
642 32 56 E 9 306
645 23 26 D -10 2
648 9 16 D -26 333
649 5 10 C -15 325
650 3 3 B -6 286
651 8 20 C -4 269
652 8 15 C -16 258
654 3 3 B 22 304
11 143 219