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+public abstract class CelestialMapProjection%0A%7B%0A%09/* Instance Variables */%0A    protected final double %CE%B10;%0A    protected final double %CE%B40;%0A    %0A    /*== Constructors ==*/%0A    public CelestialMapProjection( final RightAscension CENTER_RA,%0A                                   final Declination    CENTER_DEC )%0A    %7B%0A        %CE%B10 = CENTER_RA.toRadians();%0A        %CE%B40 = CENTER_DEC.toRadians();%0A    %7D%0A    %0A    public abstract double%5B%5D getXY( final RightAscension RA,%0A                                    final Declination    DEC );%0A%7D%0A

Create CelestialMapProjection.java