Sunspot drawing of 1980-8-18

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https://doi.org/10.7891/e-manuscripta-99882



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1980-08-18
07:45
Hs 1304.5:7269
https://doi.org/10.7891/e-manuscripta-99882
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
441 11 J 10.4 189.1
442 14 C 3.4 188.4
447 17 C -26.1 162.1
448 4 J -21.5 153.1
449 27 C 11.8 159.2
450 3 J -11.1 133.6
453 12 D 15.2 141.6
454 10 25 C -8.8 144.9
455 4 C -12.4 121.5
456 23 D 9.5 127.6
457 34 D 17.5 108.7
458 1 A 6.7 159.2
459 12 C 13.7 72.9
13 10 187