Sunspot drawing of 1977-7-13

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https://doi.org/10.7891/e-manuscripta-98609



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1977-07-13
09:30
Hs 1304.5:6338
https://doi.org/10.7891/e-manuscripta-98609
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
67 4 A -22.3 355.5
70 8 A -19.8 358.5
2 12