Sunspot drawing of 1973-4-22

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https://doi.org/10.7891/e-manuscripta-97560



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1973-04-22
07:30
Hs 1304.5:5047
https://doi.org/10.7891/e-manuscripta-97560
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
95 41 D 11.6 148.7
96 7 J 9.1 146.6
97 17 B -15.8 182.9
98 7 C -7.0 88.8
4 72