Sunspot drawing of 1987-8-3

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https://doi.org/10.7891/e-manuscripta-142975



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1987-08-03
08:00
Hs 1304.6:1975
https://doi.org/10.7891/e-manuscripta-142975
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
74 1 2 A 30 145
77 15 18 C 16 120
78 10 15 D -23 45
3 26 35