Sunspot drawing of 1991-9-15

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https://doi.org/10.7891/e-manuscripta-145918



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1991-09-15
12:15
Hs 1304.6:3269
https://doi.org/10.7891/e-manuscripta-145918
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
486 1 3 J -24 98
489 2 4 J -12 116
492 10 10 C 3 103
494 13 16 D -20 46
496 17 16 C -21 32
498 7 6 B -18 26
499 3 6 J 14 57
500 1 3 J -11 14
503 1 3 J 2 360
504 13 21 D 6 342
505 7 7 B -12 32
11 75 95