Sunspot drawing of 1973-12-15

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https://doi.org/10.7891/e-manuscripta-97519



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1973-12-15
09:00
Hs 1304.5:5258
https://doi.org/10.7891/e-manuscripta-97519
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
232 3 J 1.6 304.5
233 3 J 6.7 197.2
2 6