Sunspot drawing of 1977-8-4

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https://doi.org/10.7891/e-manuscripta-98778



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1977-08-04
07:00
Hs 1304.5:6359
https://doi.org/10.7891/e-manuscripta-98778
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
83 1 A 28.5 119.2
87 13 C 23.9 329.9
2 14