Sunspot drawing of 1970-12-11

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https://doi.org/10.7891/e-manuscripta-96384



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1970-12-11
08:30
Hs 1304.5:4325
https://doi.org/10.7891/e-manuscripta-96384
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
505 4 J -11.4 117.0
511 11 C -10.3 51.5
512 29 D 14.6 33.3
515 31 D 12.2 5.1
516 13 C -5.3 54.3
517 1 A 4.9 355.3
518 5 B 3.0 345.2
519 1 A -10.0 340.1
520 1 A -17.0 79.3
521 1 A -6.2 350.4
10 97