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James.

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About James.

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    Vacuum

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  • Location
    Melbourne, Australia
  1. Thanks Mike, it's great to know people find it helpful. I just updated the stylesheet on my website, I hope I didn't break anything. James
  2. Ronnie If you 'stretch' the darker images in photoshop, so they are as bright as the higher ISO images, the noise will probably be about the same, maybe worse. Just something for you to think about :-) There's a good explanation in this book with some samples images. James(with a dot)
  3. James.

    Hello all

    My home is in the outer suburbs - so the light pollution is a bit of a problem for RGB imaging, but the astronomy club has an excellent dark site a few hours away. Newts can be frustrating things at times, but I really like the wide field of view you get from f/4
  4. Looks like a good start. You could use a bahtinov mask to help focusing and perhaps select a faster ISO to get some more deatils. The 300D should be able to go to ISO 1600. However DSOs are going to require longer exposures, and to do that you'll need good tracking and probably autoguiding of some description. Another option to consider is lunar shots with a webcam and pehaps a barlow. That way the tracking isn't as important. James
  5. James.

    Hello all

    I'm new here so I guess I should say hello. These days I'm into astrophotography with newtonians. I have a 300mm f/4 at home and 200mm f/4 when out bush. Any other crazy newt fans around here? I can't update my signature yet, but you can see some of my images here (I'm in Melbourne so they're all kinda southish) Deep Space Place - Images The newer images should be better than my first attempts . Lately I've been concentrating on the LMC : N50, NGC 346, N55, NGC 2070 and there are a few from last year and the SMC in there too. There are so many interesting targets in the LMC - it'll keep me bus
  6. That could be it. Other things to watch when using Maxim: - use the auto dark feature to reduce the chance of hitting a hot pixel - Maxim will remember the calibration from night to night - so no need to recalibrate if your setup is the same - Maxim will automatically adjust when you slew to a new target, so no need to recalibrate then either. So perhaps write down the calibration settings and manually enter them in the event the calibration does not work (as a backup) Cheers James
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