Sunspot drawing of 1988-4-19

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https://doi.org/10.7891/e-manuscripta-143852



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1988-04-19
07:15
Hs 1304.6:2182
https://doi.org/10.7891/e-manuscripta-143852
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
73 2 6 J 17 333
76 3 8 C -16 316
79 29 46 D 22 282
79A 15 16 C 22 264
80 3 6 A -33 327
82 23 33 D 24 241
6 75 115