Sunspot drawing of 1971-8-30

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https://doi.org/10.7891/e-manuscripta-96801



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1971-08-30
07:00
Hs 1304.5:4557
https://doi.org/10.7891/e-manuscripta-96801
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
255 6 D -13.6 264.4
256 3 J -3.7 235.1
2 9