Sunspot drawing of 1989-9-23

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https://doi.org/10.7891/e-manuscripta-144694



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1989-09-23
07:30
Hs 1304.6:2645
https://doi.org/10.7891/e-manuscripta-144694
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
481 3 8 C 26 288
486 48 60 D -25 219
490 4 4 B -19 246
492 7 9 C -22 187
494 8 8 B 34 185
497 5 7 B 21 264
6 75 96