This name usually corresponds to the target name as specified by the original observer. If a source has been observed by different observers it may be entered under two or more names.
Times are accurate to the nearest second.
The end time of the observation. For each observation there is one entry per instrument. The two LE telescopes are treated as separate instruments because the filters and other instrument modes can be different. Observer The principal investigator for the observation. This is a code that gives information concerning the instrument modes for each observation.