Author:
Parker Quentin A.,Bland-Hawthorn Joss
Abstract
AbstractWe briefly describe technical aspects and specifications of the new UKST Hα 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 Hα 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 Hα survey of the southern Milky Way with this new filter are excellent.
Publisher
Cambridge University Press (CUP)
Subject
Space and Planetary Science,Astronomy and Astrophysics
Reference9 articles.
1. A UKST Hα Survey of the Galactic Plane
2. Photonics Design and Applications Handbook 1994, H240–243, Interference Filters (The Optometrics Group), p. 10
3. Background and First Results from the New AAO/UKST Hα Survey
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