Sunspot drawing of 1990-12-22

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https://doi.org/10.7891/e-manuscripta-145375



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1990-12-22
08:45
Hs 1304.6:3040
https://doi.org/10.7891/e-manuscripta-145375
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
685 9 15 H 19 24
686 37 40 D 15 15
688 5 11 G 13 35
690 3 3 B 18 292
692 2 3 B 18 352
694 16 24 E -23 255
695 1 3 J -19 243
7 73 99