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Astrophotography Under £600

Tracking an imaging the sky using Alt/Az. 

Alt/Az tracking mounts are cheaper than EQ mounts and can be used for astrophotography. As the mount tracks the sky in Alt/Az (up,down,left,right), the outer edges will show field rotation, we need to take shorter exposures to compensate for this. (10-15 seconds maximum) 

What you need

Canon EOS450D Camera
Camera Lens Sigma
Skywatcher AZ-GTI
intervalotmeter
Skywatcher Telescope
T adaptor

Want to know how to do it? Check out the 'How to' page!

Let's Go!

Tips

Field Rotation

Alt/Az comes results in field rotation because your tracker is not tracking the night sky to compensate for the earth rotation, it is literally just following the object across the sky. 

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