Sunspot drawing of 1957-10-4

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https://doi.org/10.7891/e-manuscripta-87862



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1957-10-04
07:30
Hs 1304.5:239
https://doi.org/10.7891/e-manuscripta-87862
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
521 1 3 J -26.3 316.6
525 7 40 C 16.4 291.8
527 1 2 J 27.7 317.5
528 2 4 C -14.2 268.9
529 20 65 E 27.7 266.0
531 2 54 D -20.1 245.8
533 13 44 D -14.2 228.8
534 1 3 J -4.8 227.8
535 10 16 D -13.9 222.1
536 5 6 D 41.4 220.8
538 3 9 D -23.6 240.3
539 1 1 J 12.2 206.2
540 2 3 C -36.9 208.2
541 4 6 D -40.7 197.5
542 2 11 J -15.2 188.6
543 1 2 J 31.6 191.8
544 1 1 J 9.2 278.6
545 2 3 C -12.9 243.6
18 78 273