Sunspot drawing of 1966-4-1

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https://doi.org/10.7891/e-manuscripta-94577



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1966-04-01
07:30
Hs 1304.5:2870
https://doi.org/10.7891/e-manuscripta-94577
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
34 56 F 25.4 334.6
36 2 A 15.0 13.1
37 3 A -27.9 294.2
3 61