Sunspot drawing of 1977-5-9

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https://doi.org/10.7891/e-manuscripta-98866



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1977-05-09
07:30
Hs 1304.5:6284
https://doi.org/10.7891/e-manuscripta-98866
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
37 6 C 30.8 129.4
38 2 A -24.0 66.1
39 3 J -21.2 20.5
3 11