Sunspot drawing of 1977-10-2

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https://doi.org/10.7891/e-manuscripta-98617



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1977-10-02
07:15
Hs 1304.5:6412
https://doi.org/10.7891/e-manuscripta-98617
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
117 21 C 14.4 345.6
123 4 J -20.1 309.2
124 5 C 19.8 300.6
3 30