Sunspot drawing of 1988-3-21

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https://doi.org/10.7891/e-manuscripta-143730



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1988-03-21
08:45
Hs 1304.6:2159
https://doi.org/10.7891/e-manuscripta-143730
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
52 28 42 C -25 311
53 10 20 D 22 320
56 10 13 B -29 350
60 13 19 B 20 235
61 3 3 B -34 195
5 64 97