Sunspot drawing of 1960-4-18

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https://doi.org/10.7891/e-manuscripta-91646



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1960-04-18
07:00
Hs 1304.5:1006
https://doi.org/10.7891/e-manuscripta-91646
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
194 11 18 F 10.4 317.1
199 56 42 E -10.9 279.6
202/203 34 18 E 10.3 240.1
206 7 4 B 13.8 264.4
207 36 22 E 22.9 225.9
211 2 2 A -29.2 259.9
212 7 4 B 18.3 245.2
7 153 110