Sunspot drawing of 1989-8-23

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https://doi.org/10.7891/e-manuscripta-144779



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1989-08-23
07:45
Hs 1304.6:2616
https://doi.org/10.7891/e-manuscripta-144779
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
412 13 20 C 16 328
416 11 20 C 28 299
417 2 6 H -23 304
421 4 8 C 20 312
428 15 14 B -20 246
429 2 3 A 24 294
433 11 10 C -21 228
435 5 6 C 28 336
436A 5 4 B 25 234
438 1 3 J 24 189
439 1 1 A 14 263
440 2 1 A -13 235
441 5 3 B -23 214
13 77 99