Sunspot drawing of 1974-7-31

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https://doi.org/10.7891/e-manuscripta-97909



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1974-07-31
06:30
Hs 1304.5:5439
https://doi.org/10.7891/e-manuscripta-97909
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
117 4 A -9.4 211.0
119 4 A -15.1 164.8
121 22 C -9.5 175.7
125 4 A -18.0 152.4
4 34