Sunspot drawing of 1974-1-17

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https://doi.org/10.7891/e-manuscripta-97888



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1974-01-17
08:30
Hs 1304.5:5279
https://doi.org/10.7891/e-manuscripta-97888
Observer : Araldo Pittini
Seeing (SIDC) : 1
Group Not Weighted Weighted Type Latitude Carrington Longit.
3 6 J -11.7 245.3
5 3 J -15.4 217.3
6 6 D -16.9 195.8
8 12 D -14.1 173.3
9 4 B 7.9 259.7
5 31