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Old 20-02-2010, 04:38 PM
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telecasterguru (Frank)
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Nebulosity and exposure time

Nebulosity tells me that I am only allowed 30 second exposures unless I specially set it for longer exposures.

I am using a 350D on manual RAW.

How do I set the camera so that I can capture longer exposures?

Thanks

Frank
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Old 20-02-2010, 04:53 PM
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troypiggo (Troy)
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Don't think you can on a 350D without using something like DSUSB from Shoestring Astronomy. Newer cameras from the 40D and 450D (I think) don't need the DSUSB but earlier do.
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Old 20-02-2010, 05:15 PM
Mighty_oz (Marcus)
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This is one of the ways u can do it Frank
http://www.covingtoninnovations.com/...onRelease.html

or use a remote like the TC-80N3 but that costs a whole lot more

Made my own so not 2 hard to do or buy one ?

Marcus.
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Old 20-02-2010, 05:25 PM
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Octane (Humayun)
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I used Michael Covington's instructions to make my cable.

I'm a gumby when it comes to building these types of things, but, if I can pull it off, then, anyone can.

I bought all the bits from Dick Smith.

H
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Old 20-02-2010, 05:41 PM
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telecasterguru (Frank)
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Thanks for the info guys.

Looks like I will be doing some shopping on Monday.

Frank
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Old 21-02-2010, 06:32 AM
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troypiggo (Troy)
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I was going to mention that you could use timer remotes like those above, or a cheap eBay one like I have, but I haven't used it with Nebulosity. They're handy to have regardless for long exposures for things other than astro.
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Old 01-03-2010, 01:44 PM
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telecasterguru (Frank)
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Just wanted to clear this up.

I have a shutter release to use with my 350D which will allow for exposures longer than 30 seconds. If I am running the camera through nebulosity, will the external shutter release override nebulosity and allow for captures of longer than 30 seconds?

Frank
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