Sunspot drawing of 1977-5-1

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https://doi.org/10.7891/e-manuscripta-98643



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1977-05-01
09:00
Hs 1304.5:6278
https://doi.org/10.7891/e-manuscripta-98643
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
36 4 J -21.4 200.2
37 3 J 31.5 131.8
2 7