Sunspot drawing of 1973-8-11

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https://doi.org/10.7891/e-manuscripta-97398



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1973-08-11
07:30
Hs 1304.5:5144
https://doi.org/10.7891/e-manuscripta-97398
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
164 2 A -8.3 197.5
166 7 C 6.8 220.0
167 3 A -7.8 149.9
3 12