Sunspot drawing of 1970-12-12

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https://doi.org/10.7891/e-manuscripta-96562



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1970-12-12
08:45
Hs 1304.5:4326
https://doi.org/10.7891/e-manuscripta-96562
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
511 10 B -10.0 52.9
512 25 D 14.3 33.3
515 32 D 11.5 4.7
516 11 B -5.4 54.5
517 2 A 3.5 354.3
518 3 B 3.2 344.2
519 A -10.6 339.8
520 1 A -17.1 79.7
521 1 A -5.9 343.9
9 85