Sunspot drawing of 1957-12-3

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https://doi.org/10.7891/e-manuscripta-87929



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1957-12-03
09:30
Hs 1304.5:283
https://doi.org/10.7891/e-manuscripta-87929
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
714 21 48 E -17.7 221.9
725 1 4 J -21.9 183.4
729 2 6 C -6.5 183.2
730 64 74 F -17.8 175.0
734 5 12 D -8.0 214.3
737 14 28 D 15.1 208.7
740 1 3 J -25.8 147.4
741 1 3 J -28.1 142.7
744 4 9 D 6.6 134.5
745 2 3 B -27.9 130.9
746 1 4 J 6.8 119.5
747 3 6 D -26.7 173.6
748 1 4 J -28.9 170.0
749 2 5 D -12.0 203.4
750 1 4 J 25.9 109.2
15 123 213