Sunspot drawing of 1973-1-13

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https://doi.org/10.7891/e-manuscripta-97400



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1973-01-13
08:30
Hs 1304.5:4957
https://doi.org/10.7891/e-manuscripta-97400
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
5 10 B 13.6 112.1
13 2 A -17.0 16.4
14 1 A -14.0 20.2
15 5 C 9.3 317.6
4 18