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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.


Test drive your telescope. Simple tests to determine how well your telescope's optics are performing.
ASTRONOMY May 1990 (v.18#5) pg. 56
Added Info ASTRONOMY Aug 1990 (v.18#8) pg. 9

Performing the star test to determine the optical quality of your telescope.
ASTRONOMY Mar 2003 (v.31#3) pg. 88

Technique for measuring a telescope's angular resolution indoors using a pair of lamps and a small ball of polished steel.
SKY & TELESCOPE Sep 1991 (v.82#3) pg. 311

Using double stars to test the resolution limits of a telescope.
SKY & TELESCOPE Feb 1992 (v.83#2) pg. 187

How to build a portable artificial star. When viewed from several hundred feet away, it offers a point of light that is much better than a real star for evaluating telescope optics.
SKY & TELESCOPE Nov 1992 (v.84#5) pg. 572

Stray light in telescopes. A look at the problem of scattered light, performing the veiling-glare index test, and fabricating and positioning light traps.
SKY & TELESCOPE Jan 2001 (v.101#1) pg. 141

Computer simulation of the Airy disk for central obstruction ratios from 0.0 to 0.8. Pictures show the results of using a computer program which is available from the author.
TELESCOPE MAKING #40 Spring 1990 pg. 8

The nuances of optical testing. A thorough overview of the various testing methods employed on telescopes and how to understand and compare the results.
TELESCOPE MAKING #41 Summer 1990 pg. 12
Correction TELESCOPE MAKING #42 Fall 1990 pg. 3