Sunspot drawing of 1971-3-6

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https://doi.org/10.7891/e-manuscripta-96844



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1971-03-06
08:30
Hs 1304.5:4397
https://doi.org/10.7891/e-manuscripta-96844
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
62 3 4 J 6.3 77.2
67 1 3 J 24.6 45.6
69 4 5 J 7.8 35.1
72 1 2 A -12.8 343.6
73 1 3 A -14.5 64.0
74 1 2 A -3.3 21.0
6 11 19