| Jean Nicolini | Tutoriais | Observações | Observadores | ROSEP | Eclipses | Imagens Rea | Sites Solares | Bibliografia |
"Página Solar Jean Nicolini" é o novo nome da Seção Solar da REA/Brasil. Este site é dedicado a mostrar suas tarefas na observação amadora do Sol e a exibir alguns resultados obtidos por seus membros. Mesmo pertencendo a uma pequena rede observacional, os observadores solares têm desenvolvido esforços para cobrir eventos solares em base amadora, em especial os Eclipses Solares Totais, a contagem do número de Wolf, e a elaboração do Diagrama de Maunder.
"Solar Page Jean Nicolini" is a new name, formerly REA/Brasil Solar Section. This site is dedicated to show its observational tasks on amateur solar observation and to release some results reached by the members. Although belonging to a little observational network, the solar observers made efforts to do solar events coverage in an amateur basis, specially the Total Solar Eclipses, the Wolf Number count and the Maunder Diagram graphic.
:Issued: 2012 Feb 01 2007 UTC
:Product: documentation at http://www.sidc.be/products/ri
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# MONTHLY REPORT ON THE INTERNATIONAL SUNSPOT NUMBER #
# from the SIDC (RWC-Belgium) #
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Provisional International monthly mean Sunspot Number for
January 2012 : 58.3 (fifty-eight point three)
Maximum : 95 on 16 // Minimum : 28 on 28
Provisional daily International Sunspot Numbers for January 2012 :
1.. 44 6.. 70 11.. 39 16.. 95 21.. 69 26.. 30 31.. 46
2.. 57 7.. 70 12.. 32 17.. 87 22.. 67 27.. 40
3.. 74 8.. 64 13.. 44 18.. 78 23.. 70 28.. 28
4.. 78 9.. 49 14.. 73 19.. 65 24.. 53 29.. 35
5.. 67 10.. 43 15.. 92 20.. 63 25.. 47 30.. 38
68 cooperating stations on February 1, 20 UT
Predictions of the monthly smoothed Sunspot Number using the last
provisional value, calculated for July 2011 : 57.2 (+-5%)
SM CM SM CM SM CM
2011 Aug 62 61 2012 Feb 98 87 2012 Aug 146 111
Sep 65 65 Mar 106 91 Sep 152 112
Oct 73 70 Apr 115 96 Oct 157 113
Nov 78 74 May 124 101 Nov 161 113
Dec 84 79 Jun 132 104 Dec 165 114
2012 Jan 90 83 Jul 140 108 2013 Jan 167 115
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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