Sunspot drawing of 1977-7-3

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https://doi.org/10.7891/e-manuscripta-98862



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1977-07-03
07:45
Hs 1304.5:6328
https://doi.org/10.7891/e-manuscripta-98862
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
60 17 H 13.9 146.1
64 27 C 38.6 133.4
66 3 J 18.0 31.4
3 47