Sunspot drawing of 1974-9-29

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https://doi.org/10.7891/e-manuscripta-97926



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1974-09-29
08:00
Hs 1304.5:5496
https://doi.org/10.7891/e-manuscripta-97926
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
157 8 J 7.9 22.9
158 4 A -12.0 51.4
159 22 D -6.3 17.7
3 34