Sunspot drawing of 1971-3-13

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https://doi.org/10.7891/e-manuscripta-96720



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1971-03-13
07:45
Hs 1304.5:4404
https://doi.org/10.7891/e-manuscripta-96720
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
79 24 D -16.6 263.5
80 14 B -9.6 298.7
81 9 C 18.1 241.7
82 6 C -5.0 212.9
85 11 D 6.9 209.7
86 2 A 19.2 210.8
87 1 A -10.9 281.4
7 67