Sunspot drawing of 1978-2-20

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https://doi.org/10.7891/e-manuscripta-99138



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1978-02-20
08:00
Hs 1304.5:6522
https://doi.org/10.7891/e-manuscripta-99138
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
39 15 C 28.7 283.8
40 7 D 26.2 352.1
41 11 C 18.8 260.1
42 13 D 20.6 224.6
4 46