Sunspot drawing of 1971-9-1

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https://doi.org/10.7891/e-manuscripta-96922



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1971-09-01
07:00
Hs 1304.5:4559
https://doi.org/10.7891/e-manuscripta-96922
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
256 3 J -3.6 235.2
258A 2 A -9.1 101.4
259 3 A -5.9 117.2
3 8