Sunspot drawing of 1970-4-6

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https://doi.org/10.7891/e-manuscripta-96439



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1970-04-06
07:30
Hs 1304.5:4115
https://doi.org/10.7891/e-manuscripta-96439
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
133 11 C 5.5 163.0
141 18 G -13.8 87.2
144 12 D 27.0 68.5
145 43 E -12.3 55.2
149 10 D 9.9 56.7
150 3 J -1.2 29.0
151 3 A 16.7 90.9
7 100