Sunspot drawing of 1990-6-4

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https://doi.org/10.7891/e-manuscripta-145292



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1990-06-04
16:30
Hs 1304.6:2861
https://doi.org/10.7891/e-manuscripta-145292
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
289 3 8 C -11 169
292 4 8 C 14 120
297 3 6 C 23 72
298 4 11 C -4 70
299 7 15 D -17 40
300 2 8 H 9 24
6 23 56