Sunspot drawing of 1978-2-18

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https://doi.org/10.7891/e-manuscripta-99050



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1978-02-18
08:00
Hs 1304.5:6521
https://doi.org/10.7891/e-manuscripta-99050
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
34 3 J 17.5 23.0
39 9 C 28.9 284.6
40 12 D 25.5 353.8
41 8 J 19.0 259.9
42 4 J 20.2 227.8
43 1 A -26.5 332.8
6 37