Sunspot drawing of 1961-1-8

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https://doi.org/10.7891/e-manuscripta-92507



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1961-01-08
08:30
Hs 1304.5:1230
https://doi.org/10.7891/e-manuscripta-92507
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
2 28 E 20.1 18.6
4 4 B 7.9 39.8
5 1 A 15.0 329.5
6 16 D -11.4 306.8
4 49