Sunspot drawing of 1969-12-4

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https://doi.org/10.7891/e-manuscripta-95988



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1969-12-04
10:45
Hs 1304.5:4020
https://doi.org/10.7891/e-manuscripta-95988
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
484 5 J -1.9 344.1
485 16 G -15.3 315.7
489 22 D 20.4 320.9
492 8 B -18.4 286.1
496 9 C -21.0 266.4
497 3 A 15.0 239.0
499 4 J 16.2 223.1
500 9 B -9.7 258.0
8 76