Sunspot drawing of 1968-5-21

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https://doi.org/10.7891/e-manuscripta-95404



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1968-05-21
10:30
Hs 1304.5:3538
https://doi.org/10.7891/e-manuscripta-95404
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
217 11 B -28.9 167.4
218 21 E -30.0 133.9
222 35 E 22.2 107.6
223 23 D 15.5 109.4
224 20 D -15.2 110.8
225 1 A 11.1 208.4
228 11 D 9.7 148.9
230 1 A -13.4 166.9
231 4 B -21.8 97.3
232 5 C -7.7 71.1
10 132