Sunspot drawing of 1969-2-28

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https://doi.org/10.7891/e-manuscripta-95697



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1969-02-28
13:00
Hs 1304.5:3773
https://doi.org/10.7891/e-manuscripta-95697
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
67 29 E 12.9 66.5
68 10 C 14.5 50.2
74 2 A -20.0 61.8
75 67 E -16.9 341.1
77 4 J 1.6 301.2
78 5 B -13.7 298.7
79 4 B -17.6 300.5
80 4 B -24.7 335.5
81 10 C 15.7 285.9
82 5 C 14.9 274.7
10 140