Different times of astrophotography

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…


AstroLink 4 mini S red

AstroLink 4 mini device

AstroLink 4 mini S device AstroLink 4 mini device is a direct successor of AstroHub 3.0. Both AstroHub and AstroLink have its origins in my first…


To CMOS or not to CMOS

CMOS sensor based astronomy cameras are becoming more and more popular among astrophotography amateurs. What differs CMOS from CCD? Is this really…