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achan68
 Post subject: Barn Door Tracker?
PostPosted: Tue Jul 26, 2011 1:15 pm 
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Has anyone on here ever built one? I'm trying to figure out how hard/easy it would be to build a DIY motorized one. I know there are lots of resources on the net about this, but interested to hear first hand from a TPMG member
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mhulak
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PostPosted: Wed Sep 21, 2011 7:09 pm 
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There are alot of guides online to build one. I suggest just to break down and buy a eq3 tripod. You will have less hassles and longer lights. Although in Toronto you can only get about 1-2 minute exposures tops before light polution totally ruins the shots. I stack 20-50 30second exposures with modest results.
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dant
 Post subject: Re: Barn Door Tracker?
PostPosted: Thu Sep 22, 2011 11:03 am 
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achan68 wrote:
Has anyone on here ever built one? I'm trying to figure out how hard/easy it would be to build a DIY motorized one. I know there are lots of resources on the net about this, but interested to hear first hand from a TPMG member


Building something to raise a board like that should not be too difficult with an

arduino ($30)
a stepper motor driver ($30 ish)
stepper moter (anywhere from free to $20)
a few nuts and bolts
hinged wood.
batteries (or some form of power).

If you know how to program C (or have a friend who can) it is really easy. I am in the stubling stages of this stuff my self but for macro...
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mhulak
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PostPosted: Thu Sep 22, 2011 2:26 pm 
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I use a EQ3 tripod. Even in Toronto you can get get images like the one below. I used a 300mm lens for this one and not a telescope

click on the image to see it larger

<a href="http://www.mediafire.com/i/?57p098b0z4q7e93" target="_blank"><img src="http://www.mediafire.com/imgbnc.php/9aae36a9cce4ce27a88c4642af53142ca5cb8d742e3e51c1667edd651d06e84d2g.jpg" border="0" alt="Unlimited Free Image and File Hosting at MediaFire"></a>
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yeshwanth
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PostPosted: Thu Sep 22, 2011 6:28 pm 
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mhulak wrote:
I use a EQ3 tripod. Even in Toronto you can get get images like the one below. I used a 300mm lens for this one and not a telescope

click on the image to see it larger

<a href="http://www.mediafire.com/i/?57p098b0z4q7e93" target="_blank"><img src="http://www.mediafire.com/imgbnc.php/9aae36a9cce4ce27a88c4642af53142ca5cb8d742e3e51c1667edd651d06e84d2g.jpg" border="0" alt="Unlimited Free Image and File Hosting at MediaFire"></a>


Love it ...well done....
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