Sunspot drawing of 1977-8-16

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https://doi.org/10.7891/e-manuscripta-98820



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1977-08-16
07:15
Hs 1304.5:6371
https://doi.org/10.7891/e-manuscripta-98820
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
90 9 B 18.4 240.3
91 3 A 30.3 213.2
93 8 C 26.5 214.7
94 4 A 19.0 193.5
4 24