Sunspot drawing of 1971-2-12

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https://doi.org/10.7891/e-manuscripta-96925



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1971-02-12
08:00
Hs 1304.5:4377
https://doi.org/10.7891/e-manuscripta-96925
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
38 4 J -6.6 14.1
42 2 A 18.1 297.4
43 5 B 13.7 332.6
46 1 A -21.2 351.4
47 2 A -9.6 303.9
48 7 B -15.1 351.7
50 2 A -16.9 238.6
51 6 D 18.1 217.7
8 29