Sunspot drawing of 1978-2-27

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https://doi.org/10.7891/e-manuscripta-98988



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1978-02-27
07:30
Hs 1304.5:6525
https://doi.org/10.7891/e-manuscripta-98988
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
42 20 C 18.8 226.5
45 7 J -20.4 184.9
46 5 J -23.2 163.4
47 15 D 37.0 192.3
49 3 J 17.5 146.7
50 4 J -24.7 141.0
6 54