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BlockHead
About
- Username
- BlockHead
- Joined
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Comments
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Hi Stan, The workflow section of Fundamentals does have an image set.I will be making many such things available in Pixinsight Horizons as well (two sets are already there). Let me know if this is what you mean. More to come... -the Blockhead
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Hi Chris, For specific questions... please do indicate a video and a time! It will really help. Hmmm... off the top of my head I am not certain what exactly I was thinking of. I might have been indicating (as I demonstrate in the PI Horizons NGC 68…
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Hi Tony, Absolutely. I believe I am currently accommodating your request!The NGC 6888 data from Ed Stuckey in Pixinsight Horizons was acquired from Detroit. I am pretty sure that qualifies! The NGC 6946 data, also mountaintop stuff, is a very short …
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Hi Jeff, It can be used in that way- but again (as you will likely encounter time and again) my techniques are "novel" is I think the word you used. I generally argue that simply "matching" a luminance with chrominance via Linear Fit isn't necessari…
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Yes, I think you are characterizing my philosophy accurately. No, I don't think there is a downside unless we are making quantitative measurements. The tolerance doesn't determine the degree/magnitude of the application of the model (in other words …
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Hi Tony, I would have to look back... but I think the Master Flat is calibrated (meaning the bias is subtracted).The Master Dark still has the bias. Please look at approximately 14:19 of Section 2. https://www.adamblockstudios.com/articles/ManualC…
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Wayne, As it so happens there was a recent comment about this on the PI Forum.It appears running it on the lightness instead of extracting a real luminance does matter-and the latter can give you significantly better results. I have never done the f…
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Hi Alan, Please try a few things. 1. Don't wait on the circle thing. It is misleading. Move the playback slider forward in time...and then back. 2. Alternatively, try to reload the page. 3. So far everyone that has been able to play videos at some p…
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I don't think there is a difference in principle... but here is one of those cases I do not know the answer. When using CosmeticCorrection and a Defect List there isn't an indication of the method that is used to substitute the pixels. On the other …
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Greg, There is a delay completing the ImageIntegration and SubframeSelector sections because I am *still* waiting on some answers to questions I have. However... I just can't see to raise the Juan for answers. There are many "why" type answers I don…
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Yes... I paid to have the web support team create this ability for the site. I hope to turn it on perhaps on Friday. I am waiting on them. So... look for an announcement when it is live. There will need to be an extra fee for this... it will make a…
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Hi Jeff, Remember the *sample* is calculated from the little square (which was not on the galaxy I hope). We are basically using this sample as fiducial for points along the line. So... if there is a gradient along the diagonal- the sample defines t…
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I do point it out in a prior lesson. I believe you will find it as part of the icon set for the workflow section (PI Fundamentals). https://www.adamblockstudios.com/categories/Fundamental_Workflow But you are right..I need to make the template ava…
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Actually Deconvolution by its very nature isn't a well behaved algorithm. The ability to tune is actually a benefit more than a chore. It used to be that deconvolution tools would yield a single result... If there were dark rings.. there wasn't anyt…
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I have not covered it. I will eventually go around to this...but I am a bit behind (in my book) on a few sections. I really want to get ImageIntegration, SubFrameSelector..and a few others out first. -the Blockhead
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Hi Alan, I will need to look into the Uploader to attach files. It says it is enabled...but I agree- it doesn't appear to be available. Concerning your image... .without seeing your luminance I can't say the adjustment I made will work for you. How…
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I looked at the file. One thing- you will not want to stretch (Auto STF) the result- it will make it look worse! But the main thing isn't so much the number of things- but how bright they are in the rejection map. The brighter the rejected pixel app…
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Hi Sedat, I sent your observations on. Thank you. A couple of things- I have worked with several other customers on some of these issues. A combination of either moving the slider forward in time (letting it play) and moving it back can sometimes "f…
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I will be posting all of these kinds of object lessons (technically my "Cosmic Canvas" videos) to PI Horizons in addition to other content I make available there. So, yes, you will be getting pretty much everything if you have both Fundamentals and …
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Yes...but what is interesting... try the MLT with just the one single layer (1st one). :) I think you will discover why I use the Starlet as a default. -the Blockhead