http://fuse.pha.jhu.edu/facts/misstat.html

This looks serious. To my knowledge, there isn't another ultraviolet observatory, save Hubble, either in operation or in the pipeline, other than Spectrum/UV(which is now called the World Space Observatory), which Russia plans to launch, but is five years off even if it does stick to schedule. Hopefully I am forgetting about some other mission...even if they do recover FUSE, it is down to one gyro.

meh. it was completed with a third of the original budget, it lasted more than double the original mission duration and it solved the missing deuterium problem.

What about GalEX?

Oh good, I was forgetting something! Also, I was forgetting the TAUVEX mission, due to launch later this year. Still, none of these carry spectrometers.