Sunspot drawing of 1984-6-20

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https://doi.org/10.7891/e-manuscripta-140902



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1984-06-20
07:30
Hs 1304.6:1040
https://doi.org/10.7891/e-manuscripta-140902
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
145 35 37 C -7 24
148 4 5 J -4 353
149 6 4 A 17 345
152 1 1 A -15 313
4 46 47