How Long Time Barn Door Tracker

This tracking mount follows the stars as they move through the sky.

How long time barn door tracker.

You can however make a 6 wide board and use a 4 hinge but you may give up some stability. Cut your two blocks of wood pieces into 13 x 4 pieces. Commercial star tracking mounts can cost tens of thousands of rands. A barn door tracker also known as a haig or scotch mount is a device used to cancel out the diurnal motion of the earth for the observation or photography of astronomical objects it is a simple alternative to attaching a camera to a motorized equatorial mount.

The nyx tracker is a motorized barn door tracker used for astrophotography. That means we want to spin our barn door tracker at a rate of 360 degrees every 24 hours which comes out to be 0 25 degrees per minute. Since the first one was invented back in 1976 they have been the go to solution for anybody who wants to shoot long exposures nightscapes without star trails on a budget. Inexpensive and budget friendly it is useful for people interested in astrophotography but not ready to spend on expensive equipment.

Barn door trackers have a long and storied history in amateur astronomy. High end astronomical telescopes usually have what s called a clock drive which slowly rotates the telescope allowing for those long exposure.