Astrophotography filters are either narrowband (for nebulae) or wideband (for galaxies and star clusters). Narrowband filters isolate specific light wavelengths; wideband filters let through a broader ...

Since the early 1990s, the Hubble Space Telescope has captured breathtaking images of tens of thousands of celestial objects, inspiring a generation of professional scientists and amateur astronomers.

Light pollution is a nightmare for astrophotographers — but narrowband filters can be a game-changer! In this video, I’ll show you how I tackled intense skyglow and brought out stunning deep-sky ...

ABSTRACT Emission‐line galaxies are an invaluable tool for understanding the evolution of galaxies in the universe. Imaging deep fields with narrowband filters allows not only the selection of these ...