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Sunspot numbers derived from individual drawings are shown below in the form of a colour table from blue through to red via green and yellow. A sunspot number of 0 is , a sunspot number of 50 is , a sunspot number of 100 is , a sunspot number of 150 is while a sunspot number of 200 or more is . The numbers are given for each solar rotation so that active longitudes can be identified. Dates can be seen by placing the mouse icon over each coloured square.

Rotation

                                               

2066

   
     

     
 
 
 
 

   
 

 

2067


           
     
 
     
     
   



2068

                                                       

2069

                                                       

2070

                                                       

2071

                                                       

2072

                                                       

2073

                                                       

2074

                                                       

2075

                                                       

2076

                                                       

2077

                                                       

2078

                                                       

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Page created on 28 December 2007.