Sunspot drawing of 1970-12-26

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https://doi.org/10.7891/e-manuscripta-96472



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1970-12-26
09:45
Hs 1304.5:4340
https://doi.org/10.7891/e-manuscripta-96472
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
530 3 B -10.2 224.4
535 2 A 17.6 213.6
537 3 J 14.7 154.5
538 5 A 25.8 234.1
539 1 A 11.4 184.1
540 2 A -22.5 182.2
541 6 B 9.6 162.5
7 22