Sunspot drawing of 1975-9-13

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https://doi.org/10.7891/e-manuscripta-98259



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1975-09-13
08:00
Hs 1304.5:5789
https://doi.org/10.7891/e-manuscripta-98259
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
81 12 J -8.3 167.3
86 2 A -5.1 173.5
87 2 A -7.6 153.3
88 2 A -8.3 96.9
4 18