You can report it online if you don't want to have a MUFON investigator come to take your report:
National UFO Reporting Center
Read some other reports from Texas here... lots of sightings... the summary tells you briefly what was seen... click on the blue date/time link to the left for more detail:
ndxLocOut
The advantage to talking to a MUFON investigator is that you can find out if anyone else in your area saw it, too.
U.S. and Canada:
http://www.nuforc.org/webreports/ndxloc.html