Sunspot drawing of 1971-4-1

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https://doi.org/10.7891/e-manuscripta-96768



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1971-04-01
07:30
Hs 1304.5:4419
https://doi.org/10.7891/e-manuscripta-96768
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
98 3 J -14.1 67.8
101 1 A 24.9 37.1
102 17 C -18.7 31.1
106 18 C 12.4 5.6
108 2 A -10.7 20.7
108 2 A 13.5 299.7
5 43