Sunspot drawing of 1989-8-31

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https://doi.org/10.7891/e-manuscripta-144567



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1989-08-31
07:00
Hs 1304.6:2624
https://doi.org/10.7891/e-manuscripta-144567
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
433 1 3 J -21 228
438 1 3 J 24 185
443 3 8 C -18 160
450 10 9 B 23 132
451 3 7 G 32 97
452 52 60 F -16 90
453 21 17 D -27 124
454 14 20 D -20 73
8 105 127