Sunspot drawing of 1984-4-23

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https://doi.org/10.7891/e-manuscripta-140977



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1984-04-23
08:30
Hs 1304.6:993
https://doi.org/10.7891/e-manuscripta-140977
Observer : Marco Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
103 4 4 B -16 78
105 6 7 C -11 38
107 9 17 D -10 351
108 17 46 E -12 334
109 2 2 B -9 29
5 38 76