Sunspot drawing of 1982-12-20

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https://doi.org/10.7891/e-manuscripta-139958



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1982-12-20
09:15
Hs 1304.6:581
https://doi.org/10.7891/e-manuscripta-139958
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
503 2 8 H 10 115
505 6 18 C -8 88
506 2 7 J -10 78
509 1 3 J -6 23
510 2 3 B 10 18
511 4 10 G -18 351
512 2 3 B 8 345
7 19 52