Sunspot drawing of 1975-9-22

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https://doi.org/10.7891/e-manuscripta-98030



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1975-09-22
07:30
Hs 1304.5:5795
https://doi.org/10.7891/e-manuscripta-98030
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
89 6 B 9.6 88.9
90 2 B 2.8 87.5
92 8 B 5.9 25.9
3 16