Sunspot drawing of 1961-2-4

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https://doi.org/10.7891/e-manuscripta-92504



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1961-02-04
08:30
Hs 1304.5:1254
https://doi.org/10.7891/e-manuscripta-92504
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
23 6 C 7.8 57.3
28 12 D 22.4 14.4
31 13 D -16.5 340.9
32 8 C -9.2 332.8
33 5 C 13.4 56.3
34 15 E 3.6 284.3
35 3 J -10.6 290.0
7 62