Sunspot drawing of 1989-7-20

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https://doi.org/10.7891/e-manuscripta-144827



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1989-07-20
09:00
Hs 1304.6:2583
https://doi.org/10.7891/e-manuscripta-144827
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
345 16 13 B 26 22
346 2 5 J 12 28
355 26 15 C 19 325
356 43 27 D -12 323
357 20 20 C -21 312
358 3 4 J 27 292
360 6 3 B 18 342
361 4 5 A -20 289
362 11 13 C 24 282
363 10 7 B 28 342
10 141 112