Sunspot drawing of 1960-4-21

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https://doi.org/10.7891/e-manuscripta-91563



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1960-04-21
07:30
Hs 1304.5:1009
https://doi.org/10.7891/e-manuscripta-91563
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
199 9 12 D -11.4 279.3
202/203 52 28 C 11.8 239.9
207 47 25 D 22.3 222.2
212 7 2 B 18.9 233.2
219 32 11 C 7.4 209.4
220 5 2 A -10.8 233.8
221 5 3 B -15.4 204.5
222 1 1 A -11.9 196.2
223 2 1 A -20.3 203.4
224 14 12 D -17.5 162.5
225 1 7 H 9.8 133.4
11 175 104