Sunspot drawing of 1973-2-23

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https://doi.org/10.7891/e-manuscripta-97566



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1973-02-23
07:30
Hs 1304.5:4991
https://doi.org/10.7891/e-manuscripta-97566
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
55 2 A -17.4 258.8
57 2 A -19.2 181.0
58 5 B -13.7 173.1
59 5 C 6.6 140.2
4 14