Sunspot drawing of 1990-9-10

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https://doi.org/10.7891/e-manuscripta-145315



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1990-09-10
07:00
Hs 1304.6:2956
https://doi.org/10.7891/e-manuscripta-145315
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
488 4 6 C 14 319
489 2 4 J -14 314
491 1 9 J -14 289
492 5 9 J 4 266
496 7 9 C 12 235
499 4 6 J 7 215
500 9 11 J 18 204
501 7 10 C 21 286
506 4 2 A 15 227
507 4 9 J -10 172
508 3 3 B -9 311
509 3 4 B 35 279
510 1 1 A -21 207
511 1 1 A -18 202
14 55 84