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BlockHead
About
- Username
- BlockHead
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Comments
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Hi Terry, I have observed that also. I have not investigated where the pedestal comes from- I usually just readjust the black level to bright things back if I need to adjust an image in PS. I will need to look in detail about this later. But again,…
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By the way, there is no reason why you could not blend the two methods you know together.... -the Blockhead
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Chris, I generally do not use ArcSS to do all of the work. I usually get as close as I can with a permanent stretch I choose after manipulating the ScreenTransfer process (and then HT). *Then* I use ArcSS for the remainder of the stretch. Basically …
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Hmm... I believe it comes with the PI package? Did you look under Scripts and Noise Reduction?I hope to generate a tutorial on this soon. -the Blockhead
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I don't actually have any good data- and not much experience. Frame adaptation should help. My methodology in the past was to use Registar (such an old software!). I have not done any of this in PI yet. Much to learn... -the Blockhead
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Great work Chris! And thank you very much for mentioning my tutorials/lessons.-the Blockhead
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Hi Tom, Happy New Year. As you know, I published the OSC section... so you can review that now.After looking as deeply as I can, I see no significant differences in processing other than issues that concern the initial handling of the matrix itself.…
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OSC has been released...
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Kevin, Just a heads up...I have completed the section on Drizzle. I will be releasing the OSC lessons first... then Drizzle. So... it is on the way! -the Blockhead
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Hi Kevin, Yeah... your stars will be smaller! The data I have been typically demonstrating with is captured at 0.33"/pixel. If the seeing was 2"... these are 6 pixel stars! However, I have also been doing some work with a 180mm Tak (Epsilon astrogr…
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It sounds like you are doing exactly the right thing- great job.From the combined RGB, likely the next thing to do would be to extract the luminance from it andwork on this luminance file taking the same "classic" route an LRGB travels. It does depe…
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Hi, Yes the download feature is working and available.To use it, you *start* playing a video and then right click on it. It will give you the option to download the video. You will be downloading the actual file I uploaded- the original Mp4 file. I…
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Hi Mark, Well..the short answer is... it does work... but it takes a lot of it (work). I have seen Fabian demonstrate excellent results. (He did it for his M27 imagery.)It just takes getting the masks just right and equally important..the subtract a…
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Hi Chris, Thanks for the offer...and yes I am interested. However, at the moment I still have one data set in the hopper and a handful of sections to complete. So, let me pass for the moment until I catch up a little.Thanks,-the Blockhead
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Hi Alan, Regarding the reference frame- given that the differences in shifts between frames are dominated by dithering- you can choose any good image as a reference. If you happen to have a fraction of images that are shifted by a large amount- then…
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Yeah...I need to put some instructions.Basically..you need to start playing the video first... THEN you can download it by right clicking! -the Blockhead
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The Blend script I am using is Harmut Bornemann's at: http://www.skypixels.at/pixinsight_scripts.html -the Blockhead
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It is a silly error I always make.The function is "iif" not "iff" that is i i f not i f f just to be clear. Sorry! -the Blockhead (see ...living up to my signature!)
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I will likely do more of this later.I have an example right now in PI Horizons. I work with Ed Stuckey's data of NGC 6888 as taken from Detroit.-the Blockhead
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It is an example of the way I am trying to innovate. The most important thing to take away from this... isn't the ultimate thing I was going for- but the many different techniques I used to get there. Those sub techniques... that is what should be p…