How-To-Astrophotography-101
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Astrophotography-101-The-California-Nebula-in-the

Astrophotography-101-The-California-Nebula-in-the

The California Nebula in the Constellation Perseus; a four-hour exposure with a digital camera.
Astrophotography-101-Stars-appear-to-circle-the-s

Astrophotography-101-Stars-appear-to-circle-the-s

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.
Astrophotography-101-Imaging-and-guiding-telescop

Astrophotography-101-Imaging-and-guiding-telescop

Imaging and guiding telescopes mounted on a German Equatorial Mount, ready for taking pictures.
Astrophotography-101-The-Andromeda-Galaxy-12-h

Astrophotography-101-The-Andromeda-Galaxy-12-h

The Andromeda Galaxy — 12 hours total exposure time on a 540mm telescope.
Astrophotography-101-Quarter-Moon-shot-with-a-Can

Astrophotography-101-Quarter-Moon-shot-with-a-Can

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