Sunspot drawing of 1968-4-9

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https://doi.org/10.7891/e-manuscripta-95398



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1968-04-09
07:30
Hs 1304.5:3501
https://doi.org/10.7891/e-manuscripta-95398
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
147 7 D -17.0 30.2
154 3 J 7.0 41.3
155 25 D -21.0 335.1
157 1 A 13.9 359.9
158 15 D 23.7 285.1
159 13 E 23.6 254.7
160 8 B -16.8 17.5
7 72