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BlockHead
About
- Username
- BlockHead
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Comments
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I understand the logic...but I also understand you can't fight human behavior... ever! The reason for my question...is because I was asked this very question. "Should I be selecting RGB or Lightness in the Color Options for my luminance image..." On…
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Hi Padraig, There are a couple of issues here.1. In terms of the "blowing out" ... this is just a natural consequence of that fact you have removed the background and a recalculated STF will have higher contrast.2. The second issue is the dark ringi…
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@Mike Cranfield When GHS encounters a real Gray scale image (a view that is of the "gray" type...which is a single channel image). Shouldn't the Color Options literally be *grayed" out? It seems odd to set the color mode to "Saturation" on a graysc…
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The fainter ones really should not be an issue. The black ones are the ones to concentrate on. The key to getting a clean image is dithering by large values (randomly 5 or more pixels) and taking many images (20+). Rejection alone really should do a…
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Very likely yes! It is nearly stellar except for the outer parts.You fell into the automation trap didn't you? (you should also examine the first data as it comes in!)-the Blockhead
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This isn't vertical banding... but a normal aging effect for a real CCD sensor of this type. (The 16803 did the same thing). I think I still have the videos on it somewhere- but you basically need to dither your data and when processing use a defect…
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I think the rule of thumb is that if the sensor has significant amp glow then matched darks are best. In general most CMOS sensors are entirely well-behaved and can use biases with no issues. It is just a few cameras from a particular popular compan…
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Hi Allen, I would obviously make certain FastTrack all makes sense. Then I might dive into:https://www.adamblockstudios.com/categories/onc-ngc-300-workflow andhttps://www.adamblockstudios.com/categories/m13 In both cases PI has evolved since I have…
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Thank you for your feedback Mike. I will adjust the content accordingly. -the Blockhead
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Sounds good Jordi.As a matter of instruction I would say that there are no defaults in WBPP (or really most processes in PI). WBPP in particular is a pipeline and it is script that is configured by the user. They fact that some settings are pre-popu…
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Hi Jordi, You have presented me (or anyone trying to answer these questions with quite a bit of work). My guess is that you have a number of issues and you did not state they were not issues. The way it works in a situation like this isn't to presen…
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Hi Ivor, As you know, the aperture photometry (flux measurements) will be relatively insensitive to the seeing if your aperture is large enough and source bright enough. However, the appearance of stars from frame to frame (or night to night) will c…
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Yes, you used ImageIntegration previously with LN files (perhaps WBPP) and you did not clear them. You should reset the ImageIntegration process and then mimic what I did in the video. Another way to get this error is to specify LN as the method of …
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I still believe the easiest way to do this is separate the data into folders. I just makes life very easy. Put the lights and darks of one temperature into a folder called "Data_Minus25" (or whatever).Put the lights and darks of the temperature into…
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I would like to add... in several places I show a screenshot of my current repository list. This might be something to consider mirroring... -the Blockhead
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HI Brook, This is one of those things that cannot be solved without seeing your computer (situation). Some rules: 1. The best way to do this is get the repository URL if it exists and let PixInsight manage this.2. If you already have a copy of the s…
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HI Michael, I did make videos that explain Subframe Selector as PixInsight developers consider this an important tool.However, I did not put it on my recently constructed core Fundamentals Path. This is because with the new weighting schemes, I thin…
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Hi Ken, Did you see there are two videos on this page? https://www.adamblockstudios.com/categories/fundamental-workflow-updates I think you missed the second video?(let me know)-the Blockhead
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Well.. you may have added a step. I would not recommend the LDD/LPS bit.(in fact, I would consider re-doing without this) Did you check (select by checking) the choice for registration?Did you see any issues in the real time running log or the summa…
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Hi, Based on the "gradient" in the image- I am suspecting that flat fielding is not optimal (or there is scattered light that is part of the equation). But given the current non-uniformities... did you see this video?: -the Blockhead