Sunspot drawing of 1969-12-23

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https://doi.org/10.7891/e-manuscripta-95992



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1969-12-23
10:15
Hs 1304.5:4038
https://doi.org/10.7891/e-manuscripta-95992
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
506 4 A -12.9 88.9
511 11 D 9.7 80.7
513 11 C 11.7 63.6
516 6 J -9.2 69.6
517 7 C 11.1 9.0
519 24 D -13.0 7.3
521 11 C -2.3 345.2
522 3 J 21.9 320.7
523 6 J 9.2 322.3
524 3 J -15.4 321.4
10 86