Sunspot drawing of 1977-11-18

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https://doi.org/10.7891/e-manuscripta-98750



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1977-11-18
08:00
Hs 1304.5:6449
https://doi.org/10.7891/e-manuscripta-98750
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
149 7 C 37.8 77.6
151 5 B -24.4 143.2
152 2 A -17.8 51.3
154 26 D 22.9 62.8
155 3 B 13.8 31.8
5 43