Sunspot drawing of 1990-9-12

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https://doi.org/10.7891/e-manuscripta-145271



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1990-09-12
07:00
Hs 1304.6:2958
https://doi.org/10.7891/e-manuscripta-145271
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
492 1 3 J 4 266
496 2 5 J 13 235
499 1 3 J 7 215
500 7 8 J 17 203
501 1 1 A 20 285
507 9 12 C -10 173
510 1 1 A -20 206
511 2 3 J -16 200
512 1 1 A -22 254
514 1 1 A -17 186
515 3 5 H 9 151
516 4 7 C -13 143
517 6 12 D 22 138
518 4 9 J -28 145
519 2 3 B 7 206
15 45 74