Sunspot drawing of 1970-4-9

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https://doi.org/10.7891/e-manuscripta-96516



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1970-04-09
10:30
Hs 1304.5:4117
https://doi.org/10.7891/e-manuscripta-96516
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
141 10 C -14.3 87.4
144 5 B 27.2 69.4
145 51 G -13.0 50.9
149 32 D 10.1 55.8
150 3 J -1.7 29.5
151 17 D 17.5 90.7
152 26 D 16.3 4.3
153 2 A -13.6 357.2
154 23 D 7.9 90.4
9 169