Sunspot drawing of 1975-5-1

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https://doi.org/10.7891/e-manuscripta-97992



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1975-05-01
07:00
Hs 1304.5:5667
https://doi.org/10.7891/e-manuscripta-97992
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
39 2 A -2.0 123.5
41 7 B -11.3 88.4
42 2 A -7.8 139.1
43 3 B -12.8 82.5
4 14