Sunspot drawing of 1990-7-17

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https://doi.org/10.7891/e-manuscripta-145164



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1990-07-17
07:30
Hs 1304.6:2901
https://doi.org/10.7891/e-manuscripta-145164
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
369 1 3 J -15 310
372 3 2 B 13 290
376 4 11 G 6 321
377 6 6 J -9 319
379 4 12 D 14 326
381 6 7 C 19 263
382 4 4 J 10 213
385 5 3 B -22 260
386 3 2 B 0 214
389 4 9 D -28 169
10 40 59