Search Results for: aliasing

Seeing the Light

These days, amateur astronomers are far better equipped — at least electronically — than they were just a decade ago. Many of them have acquired CCD cameras at modest expense and have learned well how to use them to estimate … Continue reading

Through a Picket Fence

Suppose you’re an astronomer interested in variable stars — stars which change brightness. You decide to collect some data on the brightness of a newly discovered variable. It never gets brighter than magnitude 9, which is too faint to be … Continue reading