Sunspot drawing of 1971-2-2

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https://doi.org/10.7891/e-manuscripta-96725



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1971-02-02
09:00
Hs 1304.5:4367
https://doi.org/10.7891/e-manuscripta-96725
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
28 8 C -11.7 102.0
30 45 F 5.5 67.3
34 7 D 8.1 91.9
36 1 A 10.9 53.5
37 2 A -21.4 28.3
38 4 J -7.2 12.2
6 67