Sunspot drawing of 1973-8-3

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https://doi.org/10.7891/e-manuscripta-97437



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1973-08-03
07:00
Hs 1304.5:5136
https://doi.org/10.7891/e-manuscripta-97437
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
158 8 J -5.0 290.6
164 5 C -9.4 195.5
2 13