Sunspot drawing of 1969-12-24

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https://doi.org/10.7891/e-manuscripta-95813



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1969-12-24
09:00
Hs 1304.5:4039
https://doi.org/10.7891/e-manuscripta-95813
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
511 6 D 10.4 81.8
513 5 C 11.9 64.3
516 3 J -9.2 71.7
517 5 C 10.8 9.0
519 22 D -13.4 7.7
521 17 C -2.3 346.3
522 5 J 21.8 320.1
523 14 C 8.7 321.4
524 3 J -15.8 322.1
525 3 B -16.5 63.4
526 2 B -13.8 21.3
527 2 B -21.4 352.2
528 2 A -23.1 297.7
13 89