Sunspot drawing of 1992-4-17

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https://doi.org/10.7891/e-manuscripta-146765



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1992-04-17
07:30
Hs 1304.6:3438
https://doi.org/10.7891/e-manuscripta-146765
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
152 1 3 J -15 151
155 7 9 C -15 108
159 4 9 C 7 96
161 26 39 E -26 45
163 17 20 D -19 87
164 3 3 A -22 73
165 4 5 B 2 38
166 1 3 J 20 10
167 4 5 C -15 6
9 67 96