Sunspot drawing of 1987-3-5

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https://doi.org/10.7891/e-manuscripta-143039



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1987-03-05
13:00
Hs 1304.6:1842
https://doi.org/10.7891/e-manuscripta-143039
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
12 2 3 A 38 308
16 13 12 B 5 283
2 15 15