Sunspot drawing of 1973-8-24

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https://doi.org/10.7891/e-manuscripta-97443



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1973-08-24
07:45
Hs 1304.5:5157
https://doi.org/10.7891/e-manuscripta-97443
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
169 3 B 13.1 345.2
170 3 J 14.1 259.7
171 2 A 9.1 19.5
3 8