Sunspot drawing of 1991-9-28

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https://doi.org/10.7891/e-manuscripta-145805



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1991-09-28
07:45
Hs 1304.6:3280
https://doi.org/10.7891/e-manuscripta-145805
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
519 1 3 J 8 306
525 2 3 B 11 279
526 8 9 B -10 257
527 1 2 A -20 211
528 16 22 D -7 201
529 2 2 A 16 233
530 2 2 A 23 230
531 36 44 D -11 184
532 8 13 D -19 173
533 2 2 A -29 281
534 1 1 A 30 223
535 2 2 A 18 152
536 1 2 A 9 143
13 82 107