Sunspot drawing of 1972-2-28

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https://doi.org/10.7891/e-manuscripta-97169



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1972-02-28
07:30
Hs 1304.5:4690
https://doi.org/10.7891/e-manuscripta-97169
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
50 2 B 12.6 14.6
51 7 C 7.5 28.2
55 22 C -16.9 344.0
64 14 C -8.7 257.0
65 2 A -4.3 251.0
66 5 B 8.2 295.0
67 2 A 20.0 263.5
68 4 B -11.7 288.6
8 58