Sunspot drawing of 1980-4-20

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https://doi.org/10.7891/e-manuscripta-99785



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1980-04-20
07:30
Hs 1304.5:7169
https://doi.org/10.7891/e-manuscripta-99785
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
196 13 D -31.1 7.6
205 22 D 11.2 340.9
210 20 D -27.7 336.9
211 40 E -17.1 266.0
213 44 E -13.0 238.1
214 6 B -16.1 2.8
215 17 C 22.0 241.2
216 3 J 9.0 232.6
217 5 B 6.6 301.2
218 2 A -27.1 257.1
219 6 B 13.8 223.4
11 178