Sunspot drawing of 1973-7-9

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https://doi.org/10.7891/e-manuscripta-97307



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1973-07-09
09:00
Hs 1304.5:5115
https://doi.org/10.7891/e-manuscripta-97307
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
148 27 D 11.9 271.0
149 13 B 1.0 247.3
2 40