Hmmm, okay let´s make this simple:
On 4/17/04 we were unable to views the C2 data at the perihelion of Comet F4.
On the one hand you declare an unfortunate gap in the data as follows:
05:08 - 20:54 UT Data Gap.
However you likewise posted files at:
Could we please inspect this single file:
23175795.fts 2004/04/17 22:42:07 C2 25.1 512 512 20 1 Orange Clear Normal 0.0000 3756