Sunspot drawing of 1977-8-23

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https://doi.org/10.7891/e-manuscripta-98755



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1977-08-23
07:00
Hs 1304.5:6377
https://doi.org/10.7891/e-manuscripta-98755
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
98 5 B -22.1 207.3
99 3 A -25.8 101.9
2 8