Sunspot drawing of 1957-10-17

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https://doi.org/10.7891/e-manuscripta-87902



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1957-10-17
08:00
Hs 1304.5:252
https://doi.org/10.7891/e-manuscripta-87902
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
545 1 3 J 19.9 160.4
553 4 5 C 24.8 143.2
555 42 48 E -16.5 103.1
558 21 20 F 22.9 80.9
560 120 130 F -24.0 70.2
561 4 6 C 9.6 85.3
562 2 2 A 6.5 95.6
563 4 8 C -28.4 64.2
564 2 2 B 25.6 108.5
567 15 14 C 26.2 66.1
570 2 4 J -16.1 37.6
574 12 13 C 9.6 57.7
577 1 2 A -23.5 16.6
578 8 8 B 23.2 121.0
579 2 2 A 13.9 76.2
580 1 1 A 9.7 75.8
581 2 2 A -20.5 39.2
17 243 270