Sunspot drawing of 1972-4-30

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https://doi.org/10.7891/e-manuscripta-97241



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1972-04-30
08:30
Hs 1304.5:4739
https://doi.org/10.7891/e-manuscripta-97241
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
132 3 J 16.5 253.2
137 2 A 3.5 236.7
143 1 A -12.1 201.3
3 6