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BlockHead
About
- Username
- BlockHead
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Comments
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There was a thread about instruction sets that deal with (older) hardware.I do not know if this is related. -the Blockhead
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Segmentation violations or faults are generally memory problems. They could be caused by a program doing bad things (trying to write in memory to a place out of bounds). However, it can also be a real hardware memory issue. Since there are not hundr…
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Hi, I am a little confused. I do not think I am referencing NSG in FastTrack Training. Can you show me where I am? (maybe you are looking at an old version...I have updated it many times as PixInsight has changed). But even in the old versions...I d…
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Hi Karen, In FastTrack Training I do not show Local Normalization. (So these files are not generated.)You just used "Additive and Scaling" for normalization in ImageIntegration. Later in Fundamentals I explain what Local Normalization is about. If I…
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But there are bright stars.... This is a very common occurrence. If you rotate your camera you may find it changes the effect. Off-axis rays of light can scatter off of surfaces near the edge of the chip and filters...and all kinds of things. -the B…
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Yep. At a minimum I keep my masters, my raw files (including the raw calibration files). Everything else can be re-generated. Keeping the calibrated-registered files (the last set generated) makes sense if you are going to take more data and want to…
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Excellent!! Thank you Mike!!-the Blockhead
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He is going to do it...likely released tomorrow. -the Blockhead
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I did look at the masterlight (cropped). It looks normal in that I do not get the error you describe. SPCC works just fine. BUT... this looks like narrowband imagery based on the plots of the color balance. Update: Just spoke with you on the phone. …
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USB cable... communications... Hubs are also to be tested. Remove the hub... go direct is also a good test.Lots of things to test. -the Blockhead
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Oh... yeah, I did that last year. You will not be able to attach it as a file. You need to upload the file to a cloud server (like Google Drive, OneDrive, DropBox...etc). Make the file have permissions that anyone with the link can view/download. -t…
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So... now the power supply brick is suspect. You might not have another around...however, if you look at the rating of the brick you just might (they are usually similar to other devices you might have). Using the battery is definitely a good test.…
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When you blink... is the banding fixed or does it change/shift? Cables and power supplies are likely culprits (not refrigerators lol) ... but I would not expect fixed banding..it would shift with each readout. Get camera to temperature... then turn …
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Another follow up.I spoke with Mike Cranfield. Currently his script will make copies of files- but I implored him to allow for the "correction" of files (clobbering). There are plenty of cases where adjusting keywords or values in situ make sense. T…
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Ok. If you did not use BXT- than the answer does not lie there.Can you please make the file of concern available for download?This could be a sensitivity (S/N) issue as well. I really need to see the image.-the Blockhead
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Three things.1. I have called this "bug" of ImageContainer previously (many times) on the official Forum.You should be able to overwrite files... but it simply doesn't do it for some reason.2. The easiest method is a python script... but that isn't …
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Did you watch my latest update in Fundamentals on NGC 1491?You did not mention this... but did you neglect to mention you used BXT? -the Blockhead
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Additive "blend" is used to combine linear images. When the images are non-linear you use the screen blending method (which is multiplicative).I actually explain why in this video: Maybe I need to explain somewhere again. But I show EXACTLY what sc…
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Have you reviewed my comet tutorials in Horizons?Some of the information is there. I think the idea is good to talk about acquisition though- unlike other subjects, comet processing is more strongly affected by acquisition methods than other objects…
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There are a couple of videos on this. But the main one is in Horizons. It is the M51 example where I demonstrate the issue and the solution.The answer is that is the an oversubtraction issue... specifically due to the lack of a pedestal for NB data.…