Sunspot drawing of 1990-12-16

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https://doi.org/10.7891/e-manuscripta-145383



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1990-12-16
08:30
Hs 1304.6:3034
https://doi.org/10.7891/e-manuscripta-145383
Observer : Michele Bianda
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
682 3 3 B 27 54
683 23 23 D 3 50
684 6 4 B 7 37
685 21 24 G 19 28
686 25 34 D 16 17
687 3 2 B -6 9
6 81 90