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OK0NAG > SOLAR 01.12.10 09:50l 102 Lines 3627 Bytes #999 (0) @ EU
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Date: Wed, 1 Dec 2010 08:48:33 GMT
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#--------------------------------------------------------------------#
# MONTHLY REPORT ON THE INTERNATIONAL SUNSPOT NUMBER #
# from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
Provisional International monthly mean Sunspot Number for
November 2010 : 21.6 (twenty-one point six)
Maximum : 43 on 13 // Minimum : 8 on 24, 27
Provisional daily International Sunspot Numbers for November 2010 :
1.. 13 6.. 22 11.. 32 16.. 37 21.. 17 26.. 14
2.. 11 7.. 23 12.. 30 17.. 35 22.. 15 27.. 8
3.. 11 8.. 23 13.. 43 18.. 29 23.. 16 28.. 17
4.. 9 9.. 19 14.. 38 19.. 26 24.. 8 29.. 18
5.. 17 10.. 30 15.. 38 20.. 18 25.. 15 30.. 15
65 cooperating stations on December 1, 08 UT
Predictions of the monthly smoothed Sunspot Number using the last
provisional value, calculated for May 2010 : 15.5 (+-5%)
SM CM SM CM SM CM
2010 Jun 17 19 2010 Dec 27 50 2011 Jun 44 73
Jul 17 24 2011 Jan 30 55 Jul 47 75
Aug 19 30 Feb 32 59 Aug 50 79
Sep 21 35 Mar 35 62 Sep 53 82
Oct 23 40 Apr 38 66 Oct 56 85
Nov 25 45 May 41 70 Nov 59 88
SM : SIDC classical method : based on an interpolation of Waldmeier's
standard curves; the estimated error ranges from 7% (first month) to
35% (last month)
CM : Combined method : the combined method is a regression technique
coupling a dynamo-based estimator with Waldmeier's idea of standard
curves, due to K. Denkmayr.
ref. : K. Denkmayr, P. Cugnon, 1997 : "About Sunspot Number Medium-Term
Predictions", in "Solar-Terrestrial Prediction Workshop V", eds.
G. Heckman et al., Hiraiso Solar Terrestrial Research Center, Japan, 103
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