Sunspot drawing of 1968-2-20

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https://doi.org/10.7891/e-manuscripta-95383



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1968-02-20
08:45
Hs 1304.5:3462
https://doi.org/10.7891/e-manuscripta-95383
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
68 9 10 B -18.4 293.5
69 1 2 A 2.1 234.9
70 7 5 B -9.3 225.1
73 6 5 C -29.1 209.3
75 1 2 A -16.8 187.1
76 11 9 B 25.8 278.4
77 2 7 H 10.1 171.9
7 37 40