Sunspot drawing of 1970-12-9

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https://doi.org/10.7891/e-manuscripta-96611



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1970-12-09
09:00
Hs 1304.5:4323
https://doi.org/10.7891/e-manuscripta-96611
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
503 2 A 21.7 140.1
505 6 J -10.4 117.2
511 17 B -11.2 52.0
512 30 D 14.6 33.6
515 19 D 12.8 5.5
516 4 A -5.0 53.5
517 2 A 4.7 354.0
7 80