Sunspot drawing of 1989-3-28

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https://doi.org/10.7891/e-manuscripta-144728



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1989-03-28
07:30
Hs 1304.6:2485
https://doi.org/10.7891/e-manuscripta-144728
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
130 1 2 A 11 130
134 23 28 D -27 68
138 1 3 J 13 58
139 2 4 J 20 32
141 3 4 B -18 54
143 4 3 B -10 97
144 5 6 B 14 4
145 1 2 A 20 337
8 40 52