Sunspot drawing of 1989-7-28

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https://doi.org/10.7891/e-manuscripta-144767



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1989-07-28
07:30
Hs 1304.6:2591
https://doi.org/10.7891/e-manuscripta-144767
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
357 3 6 C -22 309
358 2 4 J 26 287
368 31 20 C -19 234
373 5 6 C -37 275
374 1 1 A 27 305
375 15 8 B -20 241
376 10 17 D -18 164
377 2 3 A 11 159
8 69 65