Sunspot drawing of 1983-1-21

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https://doi.org/10.7891/e-manuscripta-140347



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1983-01-21
09:30
Hs 1304.6:611
https://doi.org/10.7891/e-manuscripta-140347
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
18 2 6 J -18 28
19 1 4 H 3 6
22 3 7 J 8 357
23 11 23 D -13 351
24 1 3 J 17 335
25 4 6 B 15 331
26 3 7 J -12 315
7 25 56