Sunspot drawing of 1990-7-21

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https://doi.org/10.7891/e-manuscripta-145190



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1990-07-21
07:15
Hs 1304.6:2905
https://doi.org/10.7891/e-manuscripta-145190
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
382 6 7 J 12 213
389 36 38 D -28 169
390 43 46 E 11 143
391 7 6 B 22 171
392 6 3 J -22 123
393 3 4 A 22 208
394 1 1 A -15 202
395 4 3 B 11 177
8 106 108