Sunspot drawing of 1973-8-28

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https://doi.org/10.7891/e-manuscripta-97427



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1973-08-28
08:00
Hs 1304.5:5161
https://doi.org/10.7891/e-manuscripta-97427
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
169 7 B 12.9 349.2
170 3 J 14.6 259.7
173 17 B 2.5 268.1
175 1 A 12.4 248.7
176 6 D -14.9 194.5
5 34