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Old Feb 9, 2014, 1:53 PM   #11
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G'day John

Good to hear that you're still having fun with this project

You ask Is there any way of increasing the exposure time beyond 15 seconds in Manual mode?

well -no- if the camera stops at 15 seconds, then that's it mate, but...

-yes- there's always some sort of a solution - often it involves $$$ but here's another suggestion for you to consider

a) use 'burst' to take 3 or 4 or 5 images of say, 10 seconds each, then
b) use stacking software to incorporate them into one big long exposure

Download a copy of Startrails [from startrails.de] ~ it's a wonderful bit of free software from Anton Schiller, and use it to build up your extra-long long exposures

Hope this helps
Phil
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Old Feb 10, 2014, 2:26 PM   #12
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Hi Phil .......I have PSE 6, and it has a stacking ability. I took 3x15 minute exposures of the scene, and tried stacking them. They stacked alright but I couldn't see any difference in the brightness. Maybe PSE 6 doesn't do it. (My system won't install Startrails, because I can't put NetFramework on it. I screwed it up a long time ago, and haven't been able to fix it.) Do you know that this technique works? I read on the net, where someone was saying that stacking won't increase brightness. ..... john
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Old Feb 10, 2014, 2:27 PM   #13
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Hi Jessy ...... No I was not using zoom for any of them. I think I have the blurriness figured out, by decreasing the aperature, or increasing the iso (marginally); but they're still dark. I need to simulate a longer exposure. ....... john
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Old Feb 13, 2014, 12:58 PM   #14
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Hi All,
Well, I resolved this, sort of .... not exactly the way I wanted to to, but ... non-the-less.
I remembered that my old Canon S5 will go up to hours in shutter time, by virtue of an app called CHDK, which allows one to expand the capabilities of this camera quite a bit. So, I set the exposure time to 80 seconds, the iso to 40, the aperature to 4.5 (the cameras sweet spot) and turned off the anti shake function. That produced a beautiful clear image of a very dark backyard.
Thank you all for your help. I guess the old S5 still has some use.
....... john
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