Sunspot drawing of 1991-9-27

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https://doi.org/10.7891/e-manuscripta-145982



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1991-09-27
08:30
Hs 1304.6:3279
https://doi.org/10.7891/e-manuscripta-145982
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
518 2 2 A -10 307
519 6 8 C 9 302
525 6 10 C 11 279
526 8 10 C -9 258
527 1 2 A -20 210
528 13 18 D -8 201
529 4 6 A 14 232
530 4 4 B 23 226
531 16 36 D -12 184
532 5 9 C -19 172
10 65 105