Sunspot drawing of 1990-9-25

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https://doi.org/10.7891/e-manuscripta-145152



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1990-09-25
07:15
Hs 1304.6:2970
https://doi.org/10.7891/e-manuscripta-145152
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
522 1 3 J 18 121
528 3 8 J -13 104
534 5 5 B -8 79
535 1 3 J -24 53
537 22 23 E 13 27
538 5 3 B 6 28
543 11 20 D -7 355
544 1 1 A 10 61
546 1 3 J -12 344
9 50 69