Archiv pro měsíc: Březen 2013

CCD Sensor QE (Quantum Efficiency) Comparison

Publikováno 11/03/2013 | Autor: pavelpech

QE is the ability of a detector to turn incoming photons into useful output. It’s computed as detected photons divided by incoming photons. In other words, a CCD sensor/detector with say 70% of QE detects 7 out of 10 incoming … Celý příspěvek →

Rubriky: Articles in ENGLISH, Technika, recenze | 1 komentář

Astronomical Image Posterization Example

Publikováno 07/03/2013 | Autor: pavelpech

A long time ago I made an example of posterization in an astronomical image, but due to my busyness I was unable to share it with you sooner. This example image was done with an OSC CCD camera (but it’s … Celý příspěvek →

Rubriky: Articles in ENGLISH | Napsat komentář