barn door tracker a barn door tracker for astrophotography astrophotography part 3 of 6 making a barn door tracker a simple barn door tracker can be made for about 15 the axis of the hinge on the left points to the north celestial pole near polaris barn door tracker for astrophotography by fermunoz nov 15 2018 view original now if i can figure out the directions on how to construct a barn door tracker metric barn door tracker plan diy metric got bored made a barn door tracker thus afternoon barndoor tracker barn door camera mount motorized barndoor tracker for astrophotography by elenhinan thingiverse a simple but elegant barn door tracker alex kuzmuk s laser cut arduino driven barn door tracker barn door tracker barn door mount showing piano hinge here to the astro kits camera drive kit 85 297 bytes barn door tracker for dslr astrophotography by pchrissanthis the one at the base is called the fixed arm this fixed arm is mounted on the tripod and is held stationary the other arm is the camera arm where the here is what the basic setup looks like you turn the stick on the left at 1 rpm by hand the stick is attached to a which drives the plates apart barn door closed position barndoor1 jpg 13522 bytes barn door mount single arm barn door trackers double arm barn door tracker orion nebula with barndoor tracker post 35728 0 90703300 1394273096 thumb j the motor is powered by a 9 volt battery and an adjule vole regulator the vole can be adjusted so that the rate at which the top board raises barn door tracker by total mayhem barn door tracker plans type 4 double arm barn door tracker figures 5 and 6 are views of the barn door tracker on a telescope tripod actually any sy mount works as long as the hinge axis can be pointed at the curved rod barn door tracker barn door tracker mapoag pond photography peasley barn door image3 jpg metric barn door star tracker diy build view between the barn door panels showing barndoor mount astrophotography with a barndoor tracker i got inspired when i read the article by dave trott in february 1988 issue of sky telescope magazine additional article in the april 1989 s t and i orion nebula m42 barn door tracker barn door tracker barn door tracker scotch mount