Sunspot drawing of 1991-12-16

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https://doi.org/10.7891/e-manuscripta-145967



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1991-12-16
09:00
Hs 1304.6:3336
https://doi.org/10.7891/e-manuscripta-145967
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
641 4 8 C -17 338
642 49 59 E 8 307
651 11 13 C -3 269
651A 13 10 B -8 262
652 14 19 C -17 254
656 15 15 D -18 269
657 9 19 D -11 190
661 8 9 C 21 284
8 123 152