interference filter Quentin A Parker , Joss Bland-Hawthorn, PASA, 15 (1), 33
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Next Section: Introduction
Technical aspects of the new AAO/UKST H
interference filter
Quentin A Parker 
Joss Bland-Hawthorn 
Anglo-Australian Observatory, Siding Spring Mountain, NSW 2357
qap@aaocbn.aao.gov.au
Anglo-Australian Observatory, PO Box 296, Epping, NSW 2121
jbh@aaoepp.aao.gov.au
Abstract:
We briefly describe technical aspects and specifications of the new UKST H interference filter which is probably the largest of its kind available in astronomy. Preliminary exposures show that the filter gives excellent imaging with high overall transmission and uniformity at H wavelengths. This is achieved over a circular area of about 305 mm diameter or about 5.7 degrees (the so called `clear aperture'). The prospects for the new UKST H survey of the Southern Milky Way with this new filter are excellent.
Keywords: instrumentation: miscellaneous - methods: laboratory
techniques: photometric
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