Sunspot drawing of 2012-4-21

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https://doi.org/10.7891/e-manuscripta-157116



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2012-04-21
09:30
Hs 1304.6:9570
https://doi.org/10.7891/e-manuscripta-157116
Observer : Marco Cagnotti
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
93 17 20 D 14.5 107.8
94 3 3 A 11.8 70.4
95 30 49 D -15.3 93.4
96 1 3 J -26.4 160.8
97 6 12 D -24.5 138.0
98 9 15 D -17.3 54.2
100 1 2 A -10.8 90.2
101 2 1 A 12.7 41.1
8 69 105