Sunspot drawing of 1993-1-31

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https://doi.org/10.7891/e-manuscripta-147537



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1993-01-31
14:00
Hs 1304.6:3679
https://doi.org/10.7891/e-manuscripta-147537
Observer : Andrea Manna
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
32 9 8 D -12 292
33 19 11 C -15 191
34 2 3 A -4 227
3 30 22