Sunspot drawing of 1981-10-23

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https://doi.org/10.7891/e-manuscripta-139406



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1981-10-23
07:45
Hs 1304.6:248
https://doi.org/10.7891/e-manuscripta-139406
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
536 25 31 D -10 274
538 17 21 D -7 249
547 2 5 J 20 249
548 6 4 B -5 204
551 6 6 B 9 271
552 9 13 C -27 185
553 4 6 C -30 165
554 6 11 C 16 165
555 1 2 A -12 153
9 76 99