Sunspot drawing of 1972-5-1

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https://doi.org/10.7891/e-manuscripta-97015



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1972-05-01
08:00
Hs 1304.5:4740
https://doi.org/10.7891/e-manuscripta-97015
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
132 4 J 16.7 253.6
144 5 B -7.0 123.3
2 9