Sunspot drawing of 1974-6-9

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https://doi.org/10.7891/e-manuscripta-97871



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1974-06-09
09:00
Hs 1304.5:5391
https://doi.org/10.7891/e-manuscripta-97871
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
77 12 C -13.2 166.4
82 27 B 4.1 128.6
86 6 A -13.1 141.6
88 21 C 4.3 58.9
89 2 A 14.4 163.2
90 7 A -6.8 163.3
6 75