Sunspot drawing of 1973-4-27

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https://doi.org/10.7891/e-manuscripta-97521



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1973-04-27
07:00
Hs 1304.5:5052
https://doi.org/10.7891/e-manuscripta-97521
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
95 17 C 11.2 145.6
96 4 J 9.2 145.6
98 28 H -6.4 92.0
99 4 B -1.8 86.5
4 53