Sunspot drawing of 1961-3-11

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https://doi.org/10.7891/e-manuscripta-92624



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1961-03-11
08:00
Hs 1304.5:1287
https://doi.org/10.7891/e-manuscripta-92624
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
59 2 2 B 3.8 312.7
63 10 17 D -6.0 219.0
64 1 2 A -14.9 329.3
3 13 21