Sunspot drawing of 1990-3-18

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https://doi.org/10.7891/e-manuscripta-145385



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1990-03-18
11:00
Hs 1304.6:2793
https://doi.org/10.7891/e-manuscripta-145385
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
134 2 4 J 20 99
137 27 28 C 32 74
143 1 3 J 5 28
144 3 4 C -20 19
145 27 31 E -34 17
147 3 6 C 42 33
148 16 16 C 16 6
151 1 3 J -11 347
153 7 12 C -30 329
154 2 2 A -24 89
155 3 4 B -33 34
156 1 1 A -9 13
157 2 2 B 18 348
158 1 2 A -12 330
159 3 9 D -33 321
15 99 127