Sunspot drawing of 1963-5-17

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https://doi.org/10.7891/e-manuscripta-93638



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1963-05-17
06:45
Hs 1304.5:1981
https://doi.org/10.7891/e-manuscripta-93638
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
63 4 5 C -8.2 210.4
65 26 22 D 10.2 218.8
68 67 37 E 8.0 147.4
69 12 10 B 13.7 195.9
4 109 74