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Alan

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Alan
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  • Hi Anne Thanks for your comments.  Yes, your method is actually what I've currently been doing in my limited experience of StarXterminator. I started on this down this route based on my workflow experience from Photoshop where everything needed to b…
  • Hi Adam Thanks for the reply - I understand your point about use of Pixel Math and linear images however, my question is not related to that fact. To explain: let's say you followed the alternative process: a) Take your linear narrowband data, decid…
  • Hi Adam Thanks for the clarification - I obviously zoned out at that time. By the way, I thought it was a very interesting lesson on the use of the parametric PSF creation - I shall definitely be trying this on my own images. Alan 
  • Hi Adam Thanks for the reply. At the moment, I'm basically adopting a three stage (low, medium, high) stretch policy - I set the backgrounds to be approximately equal and then blend the three results together. I select the particular stretch accordi…
  • Adam This is a very interesting artistic point. However,  what I am saying is that I would like to have the choice of either going down the more white in star cores or not. At the moment, I seem to get the white cores by default. What I have found v…
  • Hi Adam Yes - that is one of the points.  The other - which is somewhat generic- is how you would suggest maintaining good star colours for bright stars. For example, if you take the bright star, within the bubble, it is supposed to be blue,  it app…
  • Hi Adam Thanks for the reply.  In terms of an example, here's an image of the bubble nebula that I'm currently working on.  https://stargazerslounge.com/gallery/image/35387-bubble-nebula-work-in-progress/ Alan
  • Hi Adam Just to let you know that I asked the question on the Pixinsight forum and Juan recommended using the CIE l*c*h* colour space.  Apparently, this is the equivalent of CIE l*a*b* but instead of using a rectangular co-ordinate model, as in Lab,…
  • Thanks Adam.   This does seem very odd, since I don't see how you could use the lab mode to effectively enhance colours in PI if it's always going to create a colour imbalance in the image.   Alan
  • Hi Adam I thought I'd update this thread after 8 months. I'm still using PS and CCDstack but I'm using PI even more ! Whilst I still use CCDstack for calibration I now use Pixinsight for alignment and stacking. The reason for my transition was two f…
  • Hi Adam The beginning (with the animation) is still laggy - I haven't checked the rest (c50m) of the video. Alan
  • Hi Adam Yes, this is with Chrome.  On the frame rate issue, your videos will have a very high peak to average data change rate unlike "normal" videos. So, perhaps the video data pipe allocated for streaming is only suitable for near average data rat…
  • I'm not sure if this helps, but here's my feedback on the laggy video: I believe the situation has generally improved after the various adjustments, however, after watching many hours of the Pixinsight Fundamentals videos (which are excellent by the…
  • Adam Many thanks for your detailed response.  Yes, I'm slowly going through the Pixinsight Fundamental Tutorials and so far I've been very impressed, having already discovered quite a few useful techniques. I obviously have more to discover ! To res…
    in General advice Comment by Alan June 2018