Sunspot drawing of 1969-1-20

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https://doi.org/10.7891/e-manuscripta-95942



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1969-01-20
09:15
Hs 1304.5:3744
https://doi.org/10.7891/e-manuscripta-95942
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
16 4 J -14.5 176.2
18 6 H 13.5 150.5
19 22 C 13.7 139.2
20 2 A -16.3 138.7
22 27 C 23.0 129.5
24 13 C 17.1 104.0
6 74