Sunspot drawing of 1984-4-4

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https://doi.org/10.7891/e-manuscripta-140981



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1984-04-04
07:15
Hs 1304.6:976
https://doi.org/10.7891/e-manuscripta-140981
Observer : Marco Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
87 18 22 C -10 349
88 15 26 D -13 331
92 11 17 D -15 322
93 5 10 C 19 312
94 3 3 B -9 283
5 52 78