****** S O N N E Sunspot Network ******
Definitive Sunspot Numbers of April 2009
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! ! ! ! ! !
! Day ! Groups ! Wolf Number ! Others ! No. of Obs..!
! ! N S Total ! N S Total ! SIDC AAVSO Re' ! N/S T. Re'!
! ! ! ! ! !
!-------+----------------+-------------------+-------------------+-------------!
! ! ! ! ! !
! 1 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 9 49 22 !
! 2 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 12 56 24 !
! 3 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 13 52 23 !
! 4 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 8 32 15 !
! 5 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 11 45 20 !
! 6 ! 0.1 0.0 0.1 ! 2 0 2 ! 7 1 2 ! 11 45 19 !
! 7 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 11 36 17 !
! 8 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 10 40 18 !
! 9 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 10 41 18 !
! 10 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 13 56 24 !
! 11 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 13 48 19 !
! 12 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 11 39 14 !
! 13 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 14 49 23 !
! 14 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 10 52 23 !
! 15 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 14 54 21 !
! 16 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 12 37 15 !
! 17 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 6 14 6 !
! 18 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 11 46 24 !
! 19 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 14 57 24 !
! 20 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 12 54 23 !
! 21 ! 0.3 0.0 0.3 ! 3 0 3 ! 7 4 6 ! 10 58 25 !
! 22 ! 0.2 0.0 0.2 ! 2 0 2 ! 7 2 1 ! 10 44 18 !
! 23 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 11 50 19 !
! 24 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 12 57 22 !
! 25 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 11 49 21 !
! 26 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 11 35 16 !
! 27 ! 0.0 0.0 0.0 ! 0 0 0 ! 0 0 0 ! 11 39 16 !
! 28 ! 0.0 0.1 0.1 ! 0 1 1 ! 0 1 1 ! 9 32 13 !
! 29 ! 0.0 0.3 0.3 ! 0 3 3 ! 8 6 11 ! 9 38 16 !
! 30 ! 0.0 0.5 0.5 ! 0 5 5 ! 8 5 8 ! 12 44 21 !
! ! ! ! ! !
! ! ! ! ! !
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! ! ! ! ! !
! Mean ! 0.0 0.0 0.0 ! 0.2 0.3 0.5 ! 1.2 0.6 1 ! 11 45 19 !
! ! ! ! ! !
!-------+----------------+-------------------+-------------------+-------------!
! ! ! ! ! !
! Days ! 30 30 30 ! 30 30 30 ! 30 30 30 ! !
! ! ! ! ! !
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Comparison SONNE-SIDC SONNE-AAVSO SIDC-AAVSO
K: 0.432 0.842 1.947
Correlation: 0.93 0.93 0.89
Deviation: 12.35 3.74 15.65
Days: 30 30 30