Sunspot drawing of 1987-8-22

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https://doi.org/10.7891/e-manuscripta-142796



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1987-08-22
08:00
Hs 1304.6:1994
https://doi.org/10.7891/e-manuscripta-142796
Observer : Marco Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
82 5 15 H -30 243
83 3 3 A -22 232
88 2 3 J 15 123
3 10 21