Sunspot drawing of 1977-9-6

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https://doi.org/10.7891/e-manuscripta-98693



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1977-09-06
07:15
Hs 1304.5:6387
https://doi.org/10.7891/e-manuscripta-98693
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
103 9 C 24.1 315.8
106 3 B 15.8 342.8
107 2 A 19.7 243.3
3 14