Sunspot drawing of 1974-8-1

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https://doi.org/10.7891/e-manuscripta-97778



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1974-08-01
07:30
Hs 1304.5:5440
https://doi.org/10.7891/e-manuscripta-97778
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
117 2 A -9.6 212.0
119 2 B -16.0 163.7
121 32 D -9.6 175.0
3 36