Sunspot drawing of 1966-2-25

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https://doi.org/10.7891/e-manuscripta-94579



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1966-02-25
07:45
Hs 1304.5:2837
https://doi.org/10.7891/e-manuscripta-94579
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
19 6 C 20.7 155.8
21 24 D 19.1 131.4
22 9 C 27.2 74.7
3 39