Sunspot drawing of 1989-3-12

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https://doi.org/10.7891/e-manuscripta-144711



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1989-03-12
09:00
Hs 1304.6:2472
https://doi.org/10.7891/e-manuscripta-144711
Observer : Marco Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
108 6 5 B 25 287
109 84 90 E 33 257
110 11 10 B -34 254
112 3 6 C 33 244
113 15 20 D -17 239
118 2 4 J 13 214
120 3 6 H -13 176
7 124 141