Sunspot drawing of 1970-12-16

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https://doi.org/10.7891/e-manuscripta-96474



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1970-12-16
08:30
Hs 1304.5:4330
https://doi.org/10.7891/e-manuscripta-96474
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
512 6 C 14.0 33.7
515 12 C 12.8 6.0
516 6 D -5.7 56.4
518 2 A 3.3 351.4
522 11 C 18.8 290.3
524 14 D 12.6 280.4
525 4 A -12.9 13.8
526 2 A -19.9 284.5
8 57