Sunspot drawing of 1991-12-30

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https://doi.org/10.7891/e-manuscripta-145734



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1991-12-30
08:30
Hs 1304.6:3348
https://doi.org/10.7891/e-manuscripta-145734
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
665 12 24 D -14 143
667 91 86 F -17 96
668 64 50 F -14 77
670 6 10 J -5 59
671 8 16 D -10 11
672 3 2 A -10 79
6 184 188