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Image Stretch
during April, 2003

Below is the DSS for 04/16/2003. The cross points at the ZetaTalk Planet X position for 04/16, and the edge of the arrow, shows the average distance that Planet X runs in 1 hour. As you can see, even on 20' exposures, Planet X must stretch at the current time.
Pierre-Eric 
Average Speed : 

    04/07->04/16 DeltaRA = -6.89648e-06 /hour DeltaDec = -0.00428912 /hour 
    -0.02" RA /h -15.44" Dec /h 

    04/16->04/21 DeltaRA = -1.24176e-05 /hour DeltaDec = -0.0176752 /hour 
    -0.04" RA /h -1' 3.63" Dec /h 

    Average speed at 04/16/03 : ~ { -0.03" RA /h ; -40" Dec /h }