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Hi all, this has probably been asked a million times but, I have built a barn door tracker which works well, I was thinking of using my Orion Starshoot IV which is a planetary camera, as I can't afford a proper autoguiding camera, I was thinking of putting a lens on it and using it as a camera for polar alignment with sharpcap, and to use it to monitor tracking while my DSLR is imaging, I would like to know if there is some way of taking longer exposures than 8fps for software to even detect stars? I've done some general messing around in phd2 and sharpcap but nothing seems obvious to me. Here is the camera I'm hoping to use https://www.astroshop.eu/astronomical-cameras/orion-camera-starshoot-solar-system-iv-color/p,21741 thanks for reading.

Edited by Arran townsend

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You probably need a minimum of 2 seconds, unfortunately I'm not aware of a guiding program that uses live stacking.

There are basic astro cams with longer exposure times available as direct imports from the far East that are quite cheap.

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49 minutes ago, Stub Mandrel said:

You probably need a minimum of 2 seconds, unfortunately I'm not aware of a guiding program that uses live stacking.

There are basic astro cams with longer exposure times available as direct imports from the far East that are quite cheap.

I'll take a look...

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Don’t want to sound like an idiot, but what is a barn door tracker? I live in a barn, and fail to see how it could be astronomy connected.

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Imagine a barn door, hinged on one side.  Align the hinge with the Earth's axis of rotation.  Now attach a camera to the door and point it at something you want to image.  Open the barn door at sidereal rate (this may require some patience :) and the camera stays pointing at the same target.

https://en.wikipedia.org/wiki/Barn_door_tracker

James

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2 hours ago, Stub Mandrel said:

You probably need a minimum of 2 seconds, unfortunately I'm not aware of a guiding program that uses live stacking.

There are basic astro cams with longer exposure times available as direct imports from the far East that are quite cheap.

do you have any camera suggestions?

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 PHD 2 stacks shorter exposures with the webcam type cameras if you set to say 2secs.

Unfortunately not quite the same as a real 2 sec exposure

Michael 

 

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1 hour ago, michael8554 said:

 PHD 2 stacks shorter exposures with the webcam type cameras if you set to say 2secs.

Unfortunately not quite the same as a real 2 sec exposure

Michael 

 

Do you mean 2 seconds refresh interval?

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