Sunspot drawing of 1994-4-21

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https://doi.org/10.7891/e-manuscripta-148061



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1994-04-21
07:00
Hs 1304.6:4055
https://doi.org/10.7891/e-manuscripta-148061
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
54 3 5 C 6 118
57 3 5 J 8 50
58 6 4 B -13 102
3 12 14