Sunspot drawing of 1973-2-26

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https://doi.org/10.7891/e-manuscripta-97482



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1973-02-26
07:30
Hs 1304.5:4994
https://doi.org/10.7891/e-manuscripta-97482
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
58 2 B -13.3 175.2
59 22 E 6.3 141.1
62 7 B 5.8 193.9
3 31