Sunspot drawing of 1973-3-23

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https://doi.org/10.7891/e-manuscripta-97405



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1973-03-23
07:15
Hs 1304.5:5018
https://doi.org/10.7891/e-manuscripta-97405
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
74 18 J 14.0 223.8
76 6 B 3.7 147.2
77 3 H 7.0 146.1
78 1 A 11.6 194.0
4 28