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  #81  
Old 14-11-2018, 02:04 PM
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bojan
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Yep, no need for voltage regulator - I was not thinkig straight, my apologies...
I forgot about Vin pin.
https://www.rs-online.com/designspar...duino-nano-3-0
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  #82  
Old 14-11-2018, 02:47 PM
Jasp05 (Aaron)
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Quote:
Originally Posted by Jethro777 View Post
I am thinking curved.
I have windows 10.
So basically, I probably don't need the voltage regulator.
Do I need to get some wires and solder? Bread board project box or similar?
Now for the long wait for parts.
I am currently imaging the LMC as well as orion and I have noticed I can do far longer exposures for the LMC because of the much closer proximity to the southern pole. Fascinating!
It's huge. I didn't position the LMC correctly as I didn't know it was so large and the orientation isn't perfect, but the 100mm lens seems just right.
This is going to be a new favourite of mine to image.
Wow.
Only thing you need once you have the arduino, stepper motor and driver board, is a battery pack and some jumper wires.

You should need Female to female wires as the driver board and arduino both have male headers. Look up dupont cable on ebay. They come in different lengths. I'd get around 20cm as that gives you some flexibility with placement.

https://www.ebay.com.au/itm/40x-Dupo...pCw:rk:10:pf:0

If you have windows 10 follow this link - http://www.wch.cn/download/CH341SER_EXE.html and click the blue download box on the right. then just run the installer.
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  #83  
Old 14-11-2018, 02:54 PM
Jasp05 (Aaron)
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Do you think it would be a worthwhile resource to these forums to do up a guide on making a barn door tracker and using arduino to motorise it?

Do up a parts list, and how to calculate distance from hinge for the drive rod etc?

I even had printable templates for holes to be drilled etc for hinges and drive rod, stepper motor placement. Just print it out, glue it to a piece of wood and cut it out. then screw it all together.

That way it is all in one place.
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  #84  
Old 14-11-2018, 03:33 PM
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Merlin66 (Ken)
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Jethro,
You just need to use CCDCalc and a planetarium software - Cartes du Ciel.
You can then properly frame your target with any lens you use.
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  #85  
Old 14-11-2018, 05:54 PM
Jethro777 (Jethro)
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Lmc

Quote:
Originally Posted by Jasp05 View Post
Do you think it would be a worthwhile resource to these forums to do up a guide on making a barn door tracker and using arduino to motorise it?
I think this is kind of a "make your own barndoor tracker" thread, haha!
Thanks to you guys, a newcomer should be able to figure it out.

What battery pack do you suggest? Should be rechargable / come with a charger perhaps.

Photos of the LMC from last night after processing. A neighbouring Galaxy? No way!

Amazing I can get this without a telescope. This is also a non-darksite version. I might be able to do even better with the current gear and even longer exposures, as this is closer to the pole.

Detailed (25% version of full size)
1000 x 1000 pixel cut of a highlight
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  #86  
Old 15-11-2018, 09:34 AM
Jasp05 (Aaron)
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Quote:
Originally Posted by Jethro777 View Post
I think this is kind of a "make your own barndoor tracker" thread, haha!
Thanks to you guys, a newcomer should be able to figure it out.

What battery pack do you suggest? Should be rechargable / come with a charger perhaps.

Photos of the LMC from last night after processing. A neighbouring Galaxy? No way!

Amazing I can get this without a telescope. This is also a non-darksite version. I might be able to do even better with the current gear and even longer exposures, as this is closer to the pole.

Detailed (25% version of full size)
1000 x 1000 pixel cut of a highlight
Those photos are looking good Jethro. Your getting the hang of things now. Wait till you get that tracker going

As for a battery pack. Just find a battery holder that will take 4x AA batteries. You can put rechargeable batteries in if you want or just use normal Alkaline ones. (Try and find a battery pack with female headers on the connector. otherwise you might have to attach some to make it easier to connect to the arduino later. )
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  #87  
Old 17-11-2018, 08:01 AM
Jethro777 (Jethro)
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Quote:
Originally Posted by Jasp05 View Post
Those photos are looking good Jethro. Your getting the hang of things now. Wait till you get that tracker going
Lol,
I took some moon-shots yesterday with the DSLR and used registax for the first time. It's very different!

My first moon picture.

51 DSLR Frames, f/8, 1/125, ISO 200 stacked in registax

It also occurred to me this morning that I still need to get:

EVERYTHING that connects the motor to the rod.

That means gears and a doobelacky to connect to the rod, right?

Bojan suggested this:

https://www.ebay.com.au/itm/19-25-mm...WEg:rk:13:pf:0

I just don't get what that is, and how a gear or something is supposed to turn the rod. Must be my non-engineering mind. He mentioned that you Aaaron, didn't do it this way. How did you do it exactly? That round gear seems to move by means of the motor.
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