Format must be
"LABEL<TAB>HH:MM:SS.ss<TAB>(S)DD:MM:SS.ss<TAB>RA BOX(arcmin)<TAB>DEC BOX (arcmin)"
on a single line (fields separated by tabs)
example
my_object1\t07:42:29.0\t49:48:33.4\t4.\t4.
File name containing list of coordinates?
Note: The query will return images from all the possible surveys.