... My lunar drawings . STAR_TEST IMAGES FROM . REAL TELESCOPES . ... Startesting Freeware . One of the star-test image sequences . INTRODUCTION . ... The Aberrator is freeware that generates star-testing images to show the effects of ...
... Airy disc: the brightest spot of light when you look at a star in focus. ... of 84% of all the light that arrives from a star (perfect refractor telescope ... News ] [ Development ] [ Star-Test ] [ FAQ ] [ Examples ] [ Download ] [ Links ...
... The site aims at explaining the different aspects of star-testing telescopes. ... For this many diffraction images of inside and outside focus artificial stars are available for different telescopes. ...