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A Barn Door Tracker for AstroPhotography | Nuts & Volts …
- https://www.nutsvolts.com/magazine/article/january2015_Wierenga
- There are several things that will affect the accuracy of the barn door tracker. They are: 1. Most important is the accuracy in pointing the hinge pin at the north celestial pole. 2. The accurate measurement for the r value — the distance from the hinge to the center of the threaded rod. 3. The accurate measurement for the distance from t…
“Barn Door” Mount for Astrophotography
- http://tucsonastronomy.org/astronomy/barn-door-mount-for-astrophotography/
- Now use this as a guide to how accurately you need to turn your drive nut on the barn door mount. At 13 seconds before trailing shows, you could make an adjustment every 10 seconds and no trailing would result. Similarly, for a 135 …
Astrophotography Part 3 of 6: Making a Barn Door Tracker
- https://www.pentaxforums.com/articles/photo-articles/astrophotography-part-3-barn-door-tracker.html
- Use bulb mode and use a remote control or cable release to toggle the shutter. Start your barn door tracker and let it run for about 15 seconds to help any start-up shakes get out of the system. Start your exposure. After your …
Schurs Astrophotography
- http://schursastrophotography.com/barndoor1.html
- Basic description: The concept behind a barn door (Scotch) mount is to drive a 1/4-20 screw at 11.43 inches from the hinge at exactly 1 RPM to achieve sidereal rate. At least for a limited range of about 15 minutes. After that, huge errors start creeping in. Any camera put on top of the upper board in theory will give nice round stars, instead ...
Barn Door Trackers a.k.a Scotch Mounts for simple …
- https://www.pinterest.com/markmoraes/barn-door-trackers-aka-scotch-mounts-for-simple-as/
- Jun 10, 2014 - An elegant, simple design that allows one to take photos of stars without "trails". See more ideas about barn door tracker, astrophotography, barn door.
A Simple Motorized Barn Door for Affordable …
- http://www2.york.psu.edu/~kxt7/Barn%20Door/BarnDoor.htm
- Figure 1: The motorized barn door photographic system (above) can be constructed by following the directions below. STEP 1 : The motor comes with a one-eighth inch steel shaft. Make a small pulley for it using a 1 – 1/8 inch diameter hardwood dowel rod. First, carve a 1/8 th inch wide groove about 3/32 nd inch deep around the circumference of ...
Motorised Double-Arm Scotch Mount - The Astronomical …
- http://www.astunit.com/atm.php?topic=scotch
- A double-arm mount offers much greater accuracy than conventional designs. In its simplest form, the Scotch mount consists of two boards of wood, hinged at one end and driven near the other by a bolt which passes through the lower board and bears on the upper one. If it is to be hand-driven, it is conveniently made so that one revolution of the ...
Barndoor - David Cortner dot Com
- http://www.davidcortner.com/astro/barndoor/index.php
- The barndoor mount fits in a camera case like any other piece of gear. Portability costs something in concentration because the shorter arm requires one revolution in 1.33 minutes rather than 1 RPM. That's not too bad: a quarter turn every 20 seconds. Giving the bolt a quarter of a turn while watching a sweep second-hand move 20 seconds is a ...
Barn Door tracker - Getting Started With Imaging
- https://stargazerslounge.com/topic/279532-barn-door-tracker/
- Hey guys, Im new to astrophotography and I had a quick question. I have the canon xsi 450d, and was planning to get the Zomei q555 tripod as well. Suppose I wanted to attach a barn door tracker that I made, would there be any vibrations on the picture? What I mean by this is the barn door tracker...
Barndoor - David Cortner
- http://www.davidcortner.com/astro/barndoor/index4.php
- Barndoor III. Well. Things have gotten completely out of hand this time. Barndoor II fell apart when I shipped it to New Mexico for a dark-skies getaway in 2007. ... , widefield astrophotography. This time, instead of using a modified electric trainset controller, I'm using an actual telescope controller. Rather than a generic, geared Maxon ...
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