Sunspot drawing of 1977-7-10

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https://doi.org/10.7891/e-manuscripta-98658



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1977-07-10
07:30
Hs 1304.5:6335
https://doi.org/10.7891/e-manuscripta-98658
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
67 4 J -19.7 359.1
68 4 J 19.2 89.8
69 3 B 22.2 75.2
3 11