Sunspot drawing of 1980-4-18

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https://doi.org/10.7891/e-manuscripta-99740



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1980-04-18
08:00
Hs 1304.5:7167
https://doi.org/10.7891/e-manuscripta-99740
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
191 3 J -20.7 37.2
196 7 A -32.9 5.7
196A 3 D -30.0 24.1
197 12 C -8.0 15.7
204 2 A 17.9 346.2
205 24 C 11.3 338.6
206 4 B -16.8 343.6
210 28 D -26.9 337.1
211 24 E -16.9 266.6
212 1 A 20.0 327.2
213 18 E -12.5 239.0
11 126