Sunspot drawing of 1977-7-1

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https://doi.org/10.7891/e-manuscripta-98652



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1977-07-01
07:00
Hs 1304.5:6326
https://doi.org/10.7891/e-manuscripta-98652
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
59 3 J -20.3 204.8
60 33 C 14.8 144.2
63 1 A 21.7 94.5
64 2 B 38.9 133.0
4 39