Sunspot drawing of 1969-6-20

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https://doi.org/10.7891/e-manuscripta-95990



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1969-06-20
06:15
Hs 1304.5:3868
https://doi.org/10.7891/e-manuscripta-95990
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
247 4 3 A 7.2 352.3
251 16 10 H 10.7 328.4
252 5 4 A -15.0 323.4
253 1 1 A -19.9 342.1
255 5 6 B 23.4 26.4
257 63 40 D 5.4 326.0
259 17 9 B 7.4 314.2
260 1 1 A 10.0 17.8
261 4 2 B 17.3 298.0
262 1 2 A 10.8 248.4
10 117 78