Sunspot drawing of 1961-7-30

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https://doi.org/10.7891/e-manuscripta-92685



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1961-07-30
06:45
Hs 1304.5:1418
https://doi.org/10.7891/e-manuscripta-92685
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
209 14 14 D 7.8 263.0
219 1 3 J 14.0 148.2
2 15 17