Sunspot drawing of 1963-9-17

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https://doi.org/10.7891/e-manuscripta-93708



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1963-09-17
08:00
Hs 1304.5:2092
https://doi.org/10.7891/e-manuscripta-93708
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
122 4 C 5.8 17.8
124 25 E -10.4 7.3
125 42 D 12.8 310.1
3 71