Sunspot drawing of 1961-7-29

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https://doi.org/10.7891/e-manuscripta-92773



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1961-07-29
07:00
Hs 1304.5:1417
https://doi.org/10.7891/e-manuscripta-92773
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
209 19 D 7.5 263.4
219 6 C 13.6 147.6
220 2 A -18.8 149.1
3 27