Sunspot drawing of 1976-4-19

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https://doi.org/10.7891/e-manuscripta-98498



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1976-04-19
07:00
Hs 1304.5:5967
https://doi.org/10.7891/e-manuscripta-98498
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
15 3 H 1.9 208.1
17 3 J 4.4 139.8
18 12 B -10.2 125.0
3 18