Sunspot drawing of 1987-7-1

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https://doi.org/10.7891/e-manuscripta-143031



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1987-07-01
07:15
Hs 1304.6:1943
https://doi.org/10.7891/e-manuscripta-143031
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
64A 2 2 A 26 159
65 1 1 A 11 171
2 3 3