Sunspot drawing of 1971-3-17

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https://doi.org/10.7891/e-manuscripta-96794



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1971-03-17
07:30
Hs 1304.5:4408
https://doi.org/10.7891/e-manuscripta-96794
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
79 6 J -16.8 263.0
81 6 J 18.4 240.8
82 8 J -5.4 214.9
85 9 B 7.2 210.3
89 3 B -12.3 245.2
90 21 C -6.3 239.0
91 2 A -6.7 229.9
92 1 A -20.6 193.6
93 2 A -8.0 205.3
9 58