Sunspot drawing of 1981-11-20

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https://doi.org/10.7891/e-manuscripta-139381



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1981-11-20
08:15
Hs 1304.6:271
https://doi.org/10.7891/e-manuscripta-139381
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
589 1 3 J 18 283
596 10 9 C -5 228
603 23 21 D -17 259
606 7 4 A -8 225
607 7 4 B -6 214
608 22 19 D 13 202
609A 2 3 B -7 249
7 72 63