Sunspot drawing of 1973-3-24

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https://doi.org/10.7891/e-manuscripta-97399



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1973-03-24
07:45
Hs 1304.5:5019
https://doi.org/10.7891/e-manuscripta-97399
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
74 13 J 14.6 224.2
76 7 B 4.2 147.5
77 3 H 6.6 146.2
3 23