Sunspot drawing of 1969-12-16

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https://doi.org/10.7891/e-manuscripta-95829



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1969-12-16
08:30
Hs 1304.5:4031
https://doi.org/10.7891/e-manuscripta-95829
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
505 4 C -12.5 113.4
506 30 D -12.2 89.4
507 3 J 6.0 90.4
508 3 A -3.5 172.8
510 2 A 14.9 89.8
511 7 J 12.5 79.1
513 15 C 12.2 64.4
514 1 A 0.8 83.8
8 65