Sunspot drawing of 1974-9-23

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https://doi.org/10.7891/e-manuscripta-97706



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1974-09-23
07:30
Hs 1304.5:5491
https://doi.org/10.7891/e-manuscripta-97706
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
153 2 A 8.7 180.3
1 2