Sunspot drawing of 1973-11-20

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https://doi.org/10.7891/e-manuscripta-97563



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1973-11-20
08:00
Hs 1304.5:5235
https://doi.org/10.7891/e-manuscripta-97563
Observer : Araldo Pittini
Seeing (SIDC) : 1
Group Not Weighted Weighted Type Latitude Carrington Longit.
222 3 A 13.1 271.6
1 3