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BlockHead
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- BlockHead
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Comments
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Let me add, on the non-linear it WILL "work" better, since the definition between star and sky is easier. The neural net algorithm has been trained for this level of contrast. -the Blockhead
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Those are precisely what my stars look like as well.(Did you go through my tutorial?) You are just looking at them with an inappropriate stretch. (which I mention in the video, just adjust the screen stretch)Keep in mind that the extraction of stars…
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That is a particularly tough challenge. There certainly isn't a playbook for this.Off the top of my head- I would approach the problem from starless images. Only the galaxy and comet (mostly) exist in the starless images. In this particular case you…
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Oooh...Sure... LPS could *cause* them. My comment? Don't use LPS! lolActually there is a way to optimize LPS if you want to dig deeper- but the version implemented in WBPP has fixed (usually good) parameters. -the Blockhead
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I do not know what is causing that fine structured band!It sure looks electronic- but the fact it shows up in Red (Ha... Red...etc) makes me suspicious of IR light leaks. You perhaps could do some pixel substitution. But it would likely be more work…
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Thank you Jeff.I appreciate the feedback! -the Blockhead
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Linwood, Define "sufficiently low."I suspect the answer is not as simple as you present it. It isn't that I do not have an opinion- what is important is that I do not have the NUMBERS that show what you purport to be true (or possible). Until I have…
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The main point to understand, especially when using MLT and TGVDenoise, is that removing small scale noise will make more obvious the large scale variations. This is because the contrast in the background becomes "better" for these variations. With…
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I keep all originals as well.Calibration is a process that adds noise and artifacts. The original data with its associated calibration files is the only way to recreate/use and past data with some degree of assurance in the quality of the result. If…
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HI Geoff, Under the multi-point tab you can click and add points to create a polygon. I believe you just need to uncheck "Bezier" (I will need to look that up!) to turn off the contouring feature.Give it a try! (worked for me). In addition, another …
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You aren't doing anything wrong... other than perhaps not waiting a little bit. NSG currently requires registered images. Drizzle works with non-registered images (the drizzling process is a kind of "registration" itself). NSG will be implemented in…
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Some people do have this perennial issue. It can be related to browsers and things.I have not nailed it down. This is the reason I made the download (right click access) option. Then you can download the video and watch it without interruption on yo…
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Yeah...I am unaware of any issues.For the technical minded...and I do not fully understand this stuff... My content exists on "Edge" servers. The content itself resides somewhere- but is then copied to these servers on demand and remain there for pe…
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Indeed...that does not make sense to me. In my dark frames (with a CCD camera), my hot pixels vary by hundreds of counts... not thousands.The dark current has "noise" as does the readnoise...so there certainly will be variation...but it should be sm…
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I guess what I am saying is this... the pedestal that is used to deal with Narrowband images (to prevent negative values due to oversubtraction) is necessary because the values of the sky (virtually nothing) are already so close to zero- *noise* ...…
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I am not certain I am following...Black spots, in general, are caused by hot pixels in your darks that oversubtract from your data. (Taking *new* darks and applying to old data does not help. In your post you did not indicate you took new data that …
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Automatic catalogue always defaults to local catalogs if they exist first.You can prove this to yourself by selecting Automatic Catalog...and when PCC runs you will see what catalog it chose in the console output. (And you will see it chose your loc…
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Hi Chad, I demonstrate one such method in PixInsight Horizons.I use the Ha to enhance the image by adding it to both the luminance and the Red channel. -the Blockhead
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Actually NSG does provide an improvement on the calibration side now... but that did not exist when you asked the question earlier.-the Blockhead
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A perennial problem. See this one:https://pixinsight.com/forum/index.php?threads/pi-release-1-8-8-9-does-not-list-starnet-in-the-process-list.17452/#post-106238 The more typical issue is that you need to start up PixInsight at a command prompt (thi…