Sunspot drawing of 1974-4-15

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https://doi.org/10.7891/e-manuscripta-97822



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1974-04-15
06:30
Hs 1304.5:5343
https://doi.org/10.7891/e-manuscripta-97822
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
40 46 F -13.3 186.4
42 26 C -14.5 165.5
43 20 D -9.2 184.0
44 3 J -8.2 56.8
45 5 A 10.7 193.8
46 3 B 6.9 180.4
6 103