3D plot noise

Fighting the noise in astrophotography

It is a well-known fact, that long exposures in astrophotography make the final image quality better. Specifically, the signal-to-noise ratio (SNR)…


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…