Sunspot drawing of 1963-5-25

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https://doi.org/10.7891/e-manuscripta-93574



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1963-05-25
07:00
Hs 1304.5:1989
https://doi.org/10.7891/e-manuscripta-93574
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
68 6 H 7.8 148.9
73 6 B 11.6 30.2
2 12