0005409792



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AORKEY = 5409792

PI = Michael R. Meyer
PROGID = 148
PROTITLE = The Formation and Evolution of Planetary Systems: Placing Our Solar
OBJECT = HIP_42491
PKUPACCU = High
PKUPFILT = BLUE
PKUPFLUX = 42.7500
PKUPXTND = 0
PTGDIFF (ACQ) = 0.034637545
PTGDIFF (SS) = 21.993118
ACQ XC = 11988
ACQ YC = 2604
SS XC = 10893
SS YC = 2786

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EXPLANATION

There was a brighter source at the edge of the field in ACQ, which was selected by the onboard algorithm. It was moved to the aim point and successfully selected in SS. The intended target was not, therefore, moved to the slit.