Sunspot drawing of 1973-9-9

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https://doi.org/10.7891/e-manuscripta-97322



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1973-09-09
07:30
Hs 1304.5:5173
https://doi.org/10.7891/e-manuscripta-97322
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
176 5 J -15.2 194.6
179 7 H 13.2 164.9
181 3 J 21.9 203.2
182 3 B -18.6 158.3
183 31 D -11.7 135.7
185 10 B -9.8 151.6
6 59