Sunspot drawing of 1984-7-17

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https://doi.org/10.7891/e-manuscripta-140971



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1984-07-17
08:30
Hs 1304.6:1067
https://doi.org/10.7891/e-manuscripta-140971
Observer : Marco Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
165 4 5 J -9 67
168 6 5 B -17 353
169 4 3 A -5 15
170 4 2 B -12 352
4 18 15