Sunspot drawing of 1989-4-2

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https://doi.org/10.7891/e-manuscripta-144657



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1989-04-02
08:15
Hs 1304.6:2490
https://doi.org/10.7891/e-manuscripta-144657
Observer : Marco Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
134 5 10 C -27 66
138 2 3 J 13 59
139 5 8 B 22 31
145 2 4 B 17 336
148 47 62 F -19 309
150 1 1 A -29 297
151 1 2 A 38 306
152 3 6 B -23 274
154 5 6 B 20 38
155 3 3 B 30 279
10 74 105