Sunspot drawing of 1977-8-19

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https://doi.org/10.7891/e-manuscripta-98751



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1977-08-19
08:00
Hs 1304.5:6374
https://doi.org/10.7891/e-manuscripta-98751
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
90 8 B 19.1 241.2
93 6 B 26.3 214.6
95 3 B 21.2 177.2
96 1 A -27.0 154.6
4 18