Sunspot drawing of 1978-2-28

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https://doi.org/10.7891/e-manuscripta-99167



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1978-02-28
08:30
Hs 1304.5:6526
https://doi.org/10.7891/e-manuscripta-99167
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
42 13 C 19.3 225.5
45 5 J -20.7 184.8
46 3 J -23.7 163.7
47 15 D 37.1 191.7
49 3 J 17.4 146.3
50 5 J -24.9 140.3
51 3 B -15.5 186.0
52 5 B -28.6 154.8
8 52