Tuesday, April 24, 2012

DSLR Astrophotography Tutorial"


"DSLR Astrophotography Tutorial"," With a telescope, and a camera with a lens (not your basic digital camera) you will be able to shoot the Moon, including close-ups of the craters!

This will require learning about attaching your camera to a telescope that has a motorized mounting that tracks the stars.
 If you have a DSLR camera, you will remove the camera lens hook it up directly to your telescope.


There are a few pieces of equipment you will need in order to progress at this level


You will need a telescope on an equatorial mount to track the stars so you can use the long exposures required for these faint objects.

 You really need something like a German-equatorial mounting with motor drives on both axes to do any kind of serious long-exposure deep-sky astrophotography.
 Any exposure that goes beyond 30 seconds will suffer from ""field rotation"".
 To shoot pictures of the night sky that have over 30 second exposures you must use an equatorial mounting that whose polar alignment is accurate.
 These are used to calibrate and improve light images.


catch it here

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