Sunspot drawing of 1991-10-18

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https://doi.org/10.7891/e-manuscripta-145840



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1991-10-18
13:00
Hs 1304.6:3292
https://doi.org/10.7891/e-manuscripta-145840
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
550 1 4 J 6 16
552 7 19 D -22 8
554 4 10 C 16 2
560 4 10 D -3 340
561 5 9 C -19 336
562 5 10 C -23 329
563 30 35 D 22 299
566 1 3 J -13 305
567 2 2 B 8 254
9 59 102