Sunspot drawing of 1972-3-6

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https://doi.org/10.7891/e-manuscripta-97076



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1972-03-06
07:45
Hs 1304.5:4695
https://doi.org/10.7891/e-manuscripta-97076
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
71 4 J -7.0 228.1
72 43 F -9.3 192.6
73 5 B 9.9 203.2
76 3 J -19.9 145.5
4 55