Sunspot drawing of 1977-7-7

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https://doi.org/10.7891/e-manuscripta-98798



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1977-07-07
07:00
Hs 1304.5:6332
https://doi.org/10.7891/e-manuscripta-98798
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
67 3 J -19.8
68 15 D 20.2 93.3
2 18