Sunspot drawing of 1975-4-23

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https://doi.org/10.7891/e-manuscripta-98070



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1975-04-23
07:45
Hs 1304.5:5659
https://doi.org/10.7891/e-manuscripta-98070
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
38 1 A 9.0 175.2
1 1