Sunspot drawing of 1989-8-20

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https://doi.org/10.7891/e-manuscripta-144646



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1989-08-20
09:30
Hs 1304.6:2613
https://doi.org/10.7891/e-manuscripta-144646
Observer : Michele Bianda
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
407 1 3 J 30 354
412 47 90 E 16 326
415 5 6 C 21 308
416 12 25 D 27 300
417 4 9 H -23 304
421 17 24 D 18 311
422 4 4 A 27 274
423 2 2 A 30 270
427 1 3 J -13 251
428 13 13 C -20 243
429 5 8 C 24 294
430 2 2 A 15 265
431 2 4 J 27 15
432 1 1 A 27 335
433 3 2 B -19 232
15 119 196