Joss Bland-Hawthorn \& D. Heath Jones, PASA, 15 (1), 44
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SUMMARY
We have discussed details of the Taurus Tunable Filter (TTF) instrument and its use. When used in conjunction with a CCD charge shuffling technique, TTF is well-suited for multi-narrowband imaging of emission-line sources. As such, it is ideal for follow-up imaging to the AAO/UKST Galactic Plane H
Survey, for sources that are 
arcmin or smaller. The analysis of tunable filter data is more straightforward than traditional Fabry-Perot imaging as all regions of the field are close to a common wavelength.
The present TTF instrument exhibits some phase effects at high resolving powers. We have demonstrated that these effects are tolerable for most applications (
) and the side-effects correctable through software. The commissioning of TTF has marked the start of an exciting period of new imaging instruments for optical astronomy.
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