Sunspot drawing of 1975-7-13

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https://doi.org/10.7891/e-manuscripta-98228



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1975-07-13
07:00
Hs 1304.5:5731
https://doi.org/10.7891/e-manuscripta-98228
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
56 36 D 4.4 298.8
59 7 J -10.0 216.1
60 2 B -10.6 243.7
61 3 J -5.9 166.6
4 48