Sunspot drawing of 1991-10-15

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https://doi.org/10.7891/e-manuscripta-145874



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1991-10-15
11:00
Hs 1304.6:3289
https://doi.org/10.7891/e-manuscripta-145874
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
549 1 3 J -10 79
550 7 10 C 7 13
552 28 30 D -22 9
554 5 7 B 17 4
555 2 4 B 0 3
556 3 5 C 5 356
558 1 3 J -37 17
559 3 2 B -14 1
560 6 6 B -3 340
561 8 10 C -18 338
562 15 14 C -22 330
563 23 25 C 22 298
12 102 119