Sunspot drawing of 1990-8-30

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https://doi.org/10.7891/e-manuscripta-145157



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1990-08-30
07:00
Hs 1304.6:2945
https://doi.org/10.7891/e-manuscripta-145157
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
461 12 20 D -12 102
462 11 24 D -22 98
466 11 14 B -23 84
467 12 16 G -7 73
470 13 15 C -27 64
475 65 65 D 13 33
475A 20 14 B 14 23
481 4 3 A 15 56
482 9 6 B -16 350
483 1 3 J 15 332
484 9 12 C -13 337
485 1 1 A -10 17
486 9 9 B -21 343
13 177 202