Editor(s): M. J. Kosch and F. Honary
                
            
             27 Jul 2005
                    World first complex optical instrumental observations of aurora in the Arctic in 1899−1900
                    
                        Ann. Geophys., 23, 1523–1531,  2005
                 27 Jul 2005
                    Pc5 modulation of high energy electron precipitation: particle interaction regions and scattering efficiency
                    
                        Ann. Geophys., 23, 1533–1542,  2005
                 27 Jul 2005
                    Correlation between cosmic noise absorption and VHF coherent echo intensity
                    
                        Ann. Geophys., 23, 1543–1553,  2005
                 27 Jul 2005
                    Comparison between CNA and energetic electron precipitation: simultaneous observation by Poker Flat Imaging Riometer and NOAA satellite
                    
                        Ann. Geophys., 23, 1555–1563,  2005
                 27 Jul 2005
                    Zonal wave numbers 1-5 in planetary waves from the TOMS total ozone at 65° S
                    
                        Ann. Geophys., 23, 1565–1573,  2005
                 27 Jul 2005
                    Effects of D-region RF heating studied with the Sodankylä Ion Chemistry model
                    
                        Ann. Geophys., 23, 1575–1583,  2005
                 27 Jul 2005
                    Artificial optical emissions at HAARP for pump frequencies near the third and second electron gyro-harmonic
                    
                        Ann. Geophys., 23, 1585–1592,  2005
                 27 Jul 2005
                    The red sky enigma over Svalbard in December 2002: a model using polar stratospheric clouds
                    
                        Ann. Geophys., 23, 1603–1610,  2005
                 27 Jul 2005
                    Relative drift between black aurora and the ionospheric plasma
                    
                        Ann. Geophys., 23, 1611–1621,  2005
                 27 Jul 2005
                    Variations of auroral hydrogen emission near substorm onset
                    
                        Ann. Geophys., 23, 1623–1635,  2005
                