Sunspot drawing of 1973-2-12

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https://doi.org/10.7891/e-manuscripta-97598



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1973-02-12
08:00
Hs 1304.5:4981
https://doi.org/10.7891/e-manuscripta-97598
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
38 6 J 10.7 16.1
39 9 J 6.0 12.4
41 4 B 11.6 31.1
42 2 A 13.2 5.8
43 1 A -11.0 347.9
45 2 A -4.6 334.6
46 8 C -16.9 307.3
47 2 A 9.8 6.4
48 4 B -16.9 14.0
49 2 B 12.5 347.0
50 1 A -12.6 336.1
51 3 A -8.9 287.0
12 44