Sunspot drawing of 1981-10-24

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https://doi.org/10.7891/e-manuscripta-139401



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1981-10-24
08:00
Hs 1304.6:249
https://doi.org/10.7891/e-manuscripta-139401
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
536 12 20 D -11 276
538 7 13 D -8 250
547 4 9 C 20 249
548 1 2 A -5 207
552 8 17 C -27 186
553 3 6 B -30 167
554 4 9 C 15 166
556 1 5 H 15 120
8 40 81