Sunspot drawing of 1958-3-31

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https://doi.org/10.7891/e-manuscripta-88077



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1958-03-31
08:00
Hs 1304.5:374
https://doi.org/10.7891/e-manuscripta-88077
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
133 10 8 B 23.1 136.3
136 3 5 C 19.5 117.0
141 74 69 E -12.4 91.0
142 13 11 C 18.5 99.0
143 49 48 D -6.6 86.0
144 60 63 E -22.6 72.2
145 33 29 E -5.4 114.2
147 38 57 E -16.4 34.5
148 3 8 C 24.6 28.9
149 2 6 D -15.3 16.1
151 14 23 D -17.3 4.3
152 26 34 E 32.4 8.3
153 2 4 C 18.7 9.3
154 9 10 C 19.7 359.3
155 18 21 D 6.6 41.2
156 5 6 B -25.5 20.4
16 359 402