Sunspot drawing of 1991-9-23

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https://doi.org/10.7891/e-manuscripta-145979



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1991-09-23
06:30
Hs 1304.6:3276
https://doi.org/10.7891/e-manuscripta-145979
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
503 1 3 J 1 1
504 12 22 C 7 348
516 12 21 D -12 343
517 8 11 C -10 256
518 19 24 B -10 305
519 11 14 C 10 300
520 12 11 B 6 262
521 4 4 B -24 349
522 6 5 B -32 281
523 1 1 A 19 279
10 86 116