Sunspot drawing of 1974-6-13

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https://doi.org/10.7891/e-manuscripta-97840



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1974-06-13
06:00
Hs 1304.5:5395
https://doi.org/10.7891/e-manuscripta-97840
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
82 3 A 5.3 133.2
88 38 E 5.1 62.3
91 4 H -14.0 350.3
3 45