Sunspot drawing of 1990-7-19

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https://doi.org/10.7891/e-manuscripta-145243



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1990-07-19
07:00
Hs 1304.6:2903
https://doi.org/10.7891/e-manuscripta-145243
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
381 2 3 A 19 265
382 3 4 J 11 212
389 37 34 D -28 170
390 13 20 E 11 142
4 55 61