Sunspot drawing of 1969-5-31

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https://doi.org/10.7891/e-manuscripta-95775



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1969-05-31
06:30
Hs 1304.5:3850
https://doi.org/10.7891/e-manuscripta-95775
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
213 2 A 10.9 292.8
218 8 J 8.1 212.7
219 9 B 5.4 206.0
222 7 J -14.7 179.0
223 2 B -19.0 280.6
224 1 A 7.6 254.1
6 29