Long time ago we have been doing astroimages with negative (or positive) film. We had one chance to take a long exposure photo. Then we have been given with CCD Sensors – much more sensitive. And we also learn to stack many frames into final picture. Today we have also CMOS sensors. They are nor […]
This post first appeared on Astrojolo - Astronomy And Astrophotography, please read the originial post: here
