Sunspot drawing of 1999-12-21

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https://doi.org/10.7891/e-manuscripta-150479



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1999-12-21
08:45
Hs 1304.6:5800
https://doi.org/10.7891/e-manuscripta-150479
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
403 26 35 D -13 172
405 2 5 J -13 182
408 1 4 H -17 125
409 19 36 E 19 116
410 3 8 C 11 111
5 51 88