Sunspot drawing of 1969-3-12

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https://doi.org/10.7891/e-manuscripta-95718



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1969-03-12
09:00
Hs 1304.5:3782
https://doi.org/10.7891/e-manuscripta-95718
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
83 17 D 11.2 264.4
86 4 J 13.4 278.0
88 8 J 7.4 200.3
89 3 J 18.2 210.4
90 15 J -10.0 173.6
91 12 C 30.4 180.0
92 12 D -16.2 132.4
7 71