Sunspot drawing of 1973-9-7

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https://doi.org/10.7891/e-manuscripta-97540



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1973-09-07
06:30
Hs 1304.5:5171
https://doi.org/10.7891/e-manuscripta-97540
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
176 11 C -14.9 192.6
179 9 C 13.4 164.6
181 12 C 21.8 200.7
182 14 C -18.0 160.0
183 26 C -12.4 137.0
5 72