Sunspot drawing of 1991-12-24

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https://doi.org/10.7891/e-manuscripta-146004



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1991-12-24
08:30
Hs 1304.6:3342
https://doi.org/10.7891/e-manuscripta-146004
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
657 11 23 C -12 192
664 7 17 G -20 150
665 18 40 D -13 143
666 9 26 D -9 215
667 15 40 E -18 98
668 5 30 E -16 79
6 65 176