Sunspot drawing of 1973-7-25

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https://doi.org/10.7891/e-manuscripta-97518



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1973-07-25
09:30
Hs 1304.5:5127
https://doi.org/10.7891/e-manuscripta-97518
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
157 1 A 11.3 13.7
158 3 J -5.6 290.2
2 4