Sunspot drawing of 1989-7-18

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https://doi.org/10.7891/e-manuscripta-144621



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1989-07-18
08:00
Hs 1304.6:2581
https://doi.org/10.7891/e-manuscripta-144621
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
338 3 6 H -18 77
345 35 26 C 27 22
346 8 8 C 12 26
354 6 5 B -4 358
355 11 10 B 19 325
356 7 9 J -12 323
357 18 20 D -22 312
358 1 3 J 27 293
8 89 87