Sunspot drawing of 1991-5-25

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https://doi.org/10.7891/e-manuscripta-145893



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1991-05-25
07:15
Hs 1304.6:3163
https://doi.org/10.7891/e-manuscripta-145893
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
239 6 10 G -12 152
243 13 12 C 17 144
246 17 15 B -13 136
250 5 5 B 5 91
252 30 32 D 20 53
253 18 14 B 18 101
257 2 3 A -11 32
258 2 5 C -14 19
8 93 96