Sunspot drawing of 1984-7-30

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https://doi.org/10.7891/e-manuscripta-140891



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1984-07-30
07:45
Hs 1304.6:1080
https://doi.org/10.7891/e-manuscripta-140891
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
176 3 2 A -16 217
182 1 2 B -20 217
2 4 4