Sunspot drawing of 1984-6-18

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https://doi.org/10.7891/e-manuscripta-140966



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1984-06-18
07:45
Hs 1304.6:1038
https://doi.org/10.7891/e-manuscripta-140966
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
140 6 6 B -12 93
145 19 25 C -7 24
146 2 3 B 8 50
148 1 3 J -5 354
149 3 3 B 16 347
151 2 2 A 4 354
6 33 42