Sunspot drawing of 1989-3-31

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https://doi.org/10.7891/e-manuscripta-144635



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1989-03-31
07:30
Hs 1304.6:2488
https://doi.org/10.7891/e-manuscripta-144635
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
134 7 10 C -27 67
138 1 3 J 13 58
139 4 3 B 21 31
145 4 6 B 18 336
148 18 35 F -18 309
149 3 5 B -26 352
150 2 4 B -27 302
151 2 3 B 38 305
8 41 69