Sunspot drawing of 1989-7-21

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https://doi.org/10.7891/e-manuscripta-144615



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1989-07-21
07:45
Hs 1304.6:2584
https://doi.org/10.7891/e-manuscripta-144615
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
345 8 7 B 26 24
346 3 3 J 12 29
355 31 16 C 19 325
356 50 25 D -12 323
357 31 27 C -21 311
358 1 3 J 27 292
360 2 1 A 18 1
361 5 3 B -20 290
362 24 16 C 25 282
363 21 15 B 28 359
10 176 116