How-To: Astrophotography 101

Don't put that camera away when it gets dark, get outside and take pictures! A whole universe of wonderful images awaits you.


The California Nebula in the Constellation Perseus; a four-hour exposure with a digital camera.


Stars appear to circle the sky around Polaris, the North Star. A 30-minute exposure at f/8 taken on Palomar Mountain, California with a Canon 300D DSLR at ISO 400.


Imaging and guiding telescopes mounted on a German Equatorial Mount, ready for taking pictures.


The Andromeda Galaxy — 12 hours total exposure time on a 540mm telescope.


Quarter Moon shot with a Canon 20D, ISO 400, at 1600mm focal length.