Sunspot drawing of 1968-12-18

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https://doi.org/10.7891/e-manuscripta-95622



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1968-12-18
13:15
Hs 1304.5:3716
https://doi.org/10.7891/e-manuscripta-95622
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
555 16 C -32.7 289.3
556 22 B -22.0 229.5
558 29 D 22.3 301.8
560 1 A 19.8 236.0
561 21 B 29.7 220.1
562 26 B -19.1 210.1
563 4 J -5.5 147.5
7 119