Sunspot drawing of 1975-4-27

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https://doi.org/10.7891/e-manuscripta-98016



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1975-04-27
06:15
Hs 1304.5:5663
https://doi.org/10.7891/e-manuscripta-98016
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
39 9 A 1.5 123.7
40 4 A 7.9 229.4
41 1 A -11.5 164.0
3 14