Sunspot drawing of 1957-8-18

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https://doi.org/10.7891/e-manuscripta-87820



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1957-08-18
08:00
Hs 1304.5:195
https://doi.org/10.7891/e-manuscripta-87820
Observer : Rolf Schmid
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
434 4 B 14.4 219.0
435 10 D 10.1 204.8
437 1 A -9.4 193.5
438 15 J 21.3 157.0
440 5 J -16.3 226.7
444 14 D -30.9 140.7
445 6 A -28.9 122.9
449 6 J 33.1 112.5
453 23 E -20.7 140.1
454 7 C 10.9 103.1
456 19 D -20.4 151.4
457 62 F 16.8 99.9
459 4 A 18.1 158.0
460 2 A 11.6 71.2
14 178