Sunspot drawing of 1977-9-19

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https://doi.org/10.7891/e-manuscripta-98666



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1977-09-19
15:10
Hs 1304.5:6400
https://doi.org/10.7891/e-manuscripta-98666
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
108 3 B 16.8 207.4
109 28 C 8.0 197.8
110 2 A 24.8 114.7
111 25 D -23.0 99.6
4 58