Sunspot drawing of 1969-2-10

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https://doi.org/10.7891/e-manuscripta-95747



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1969-02-10
09:00
Hs 1304.5:3763
https://doi.org/10.7891/e-manuscripta-95747
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
39 3 J 25.1 290.1
43 3 J -6.9 282.6
45 16 D 0.5 297.7
46 3 B 11.5 269.0
49 7 J 17.2 242.1
50 16 C 11.2 259.4
51 1 A -18.1 258.1
55 7 B 4.5 282.2
56 16 B -17.4 294.7
9 72