Star tracker calculator is a tool to help you build and work a barn door star tracker.
Barn door star tracker calculator.
Star tracker calculator will tell you how fast to turn the drive screw and provide.
A barn door tracker also known as haig or scotch mount is a camera mount used to take long exposure photographs of the night sky without the star trails caused by the rotation of the earth.
Don t worry about precision measurement and buying specific screws.
A sidereal day on earth is 23 hours 56 minutes and 4 091 seconds long or 1436 minutes about 4 minutes shorter than a standard solar day and we can use this time to calculate the rate at which the barn door tracker needs to turn.
A bdt keeps your stars rounder by tracking the night sky.
Affordable portable star tracking.
The nyx tracker is a motorized barn door star tracking astrophotography mount designed for those who want accurate widefield tracking without breaking the bank.
It consists of two boards connected by a hinge with a bolt which is turned to move the two boards apart or towards each other to counter the effects of.
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.
The most compact tracking mount on the market it s also the least expensive.
Just build what you want input the pitch of your drive screw the distance from the hinge to the screw and you re all set.
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.
Assembly setting up your door tracker.
Longer exposures have star trails and a bdt helps keep st.