Sunspot drawing of 1974-4-22

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https://doi.org/10.7891/e-manuscripta-97964



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1974-04-22
07:15
Hs 1304.5:5350
https://doi.org/10.7891/e-manuscripta-97964
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
47 2 A -13.3 120.3
48 4 B -9.0 119.0
50 5 B 2.3 102.4
51 3 B -7.6 351.0
4 14