2 papers
astro-ph2002
Diffraction-limited CCD imaging with faint reference stars
R. N. Tubbs, J. E. Baldwin, C. D. Mackay +1
By selecting short exposure images taken using a CCD with negligible readout noise we obtained essentially diffraction-limited 810 nm images of faint objects using nearby reference…
astro-ph2001
Diffraction-limited 800nm imaging with the 2.56m Nordic Optical Telescope
J. E. Baldwin, R. N. Tubbs, G. C. Cox +3
A quantitative assessment is presented of diffraction-limited stellar images with Strehl ratios of 0.25-0.30 obtained by selection of short-exposure CCD images of stars brighter th…