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BlockHead
About
- Username
- BlockHead
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Comments
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Hi Ron, You are absolutely right to question this. Yes, you would very much expect those pixel things you see in your flats to appear in your data. One difference, I suspect, between your flats and data is that your exposure times for the flats are …
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Excellent!-the Blockhead
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I did add the video on this topic...-the Blockhead
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Ron, Please see the bottom of FastTrack Training:https://www.adamblockstudios.com/categories/pixinsight-fasttrack-training-beginners You will see I have a video that anticipates this common issue. "Step 7: Learn the *hard* lesson now! (as mentioned…
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Hi Ronald, You need to follow the procedure of FastTrack Training until you become proficient in identifying the hangups.I think this image is the integration of non-aligned frames. I do not see any stars ... and that smudge is the rejected galaxy? …
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I have the basic answer in a few different videos.The screening process is explained in the video on Blil Blanshan's star reduction process. (However, I have been explaining the concept of screening images for at least 20 years in terms of an applic…
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Ok... I found the answer to your issue.The problem is your stars are a bit fuzzy... PixInsight has to use the PSF method of detecting stars... and it doesn't detect many by default with your data. If you set the SNR detection minimum to "0" for your…
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Please make the indivdual RGB images you are using available to download.-the Blockhead
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Wait.. you cannot do SPCC on a stretched image. The image must be linear. Can you please confirm you have not made this error? Can you please make the image available? I just had a person make another kind of error that is similar. Thanks,-the Block…
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Hi Fred, So... here is the reason (among others) that my OSC process is so complicated. 1. Only Drizzled Integrated star images will result in the correct color calibration- it isn't optional, it is a requirement. However, Comet Alignment does not s…
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Hi Jon, It would seem to me that all of the problems would be solved if you choose to integrate everything (and let local normalization take care of the overlaps). Are you 100% certain the data in the center of the nebula is useless for the 60 secon…
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Hmmm... can you please tell me the timestamp I talk about this?I suspect this might be due to the fact I put some video pieces together- and I might have mentioned something that I actually did do. -the Blockhead
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I believe you have precisely the same issue in your unfiltered data that you do in your narrowband (filtered) imagery. This is what I suspected when we talked and I think you should proceed with the suggestions I made. (See the attached image) -t…
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Your NB filters are in front of your OSC filters... this is double filtering (in my way of thinking). Regarding the calibration, you are calibrating your flat with a dark that is a different exposure time. Short as they may be... some sensors are w…
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I think the red/green gradient isn't the important point. It is the fact there is an overcorrection in general. This means that either the flats you are creating do not match the lights in some way- or there is a calibration error with regards to th…
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In the case of this question... a linear image would make sense (which can be a subexposure or an integrated result). The integrated result make be more pleasant to look at. :)But the reality is that it does not really matter- *any* image will do in…
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This is GOOD. I personally think you can stretch it more (mid-tones) and bright things up a bit. You have some nice faint nebulosity and the bulk of the nebula could be a bit brighter! You can do this on the combined LRGB image itself I think. -th…
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You need to find your integrated Red, Green, and Blue data.Then do channel combination and the steps you that show in your history.As you did, the final step at this point is LRGB Combination of the stretched RGB and stretched L. Only the Lumniance …
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Your screen shot looks very odd (the one that shows the history of what you did). You have ChannelCombination where you combined Red, Green, and LUMINANCE. This doesn't make sense. I would expect you to combine Red, Green, and Blue. Do you see why I…
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Not yet..but my "state of the studios" e-mail from a few weeks ago mentioned this is on my list. Did you get the e-mail?? (You can read it, it is a link at the top of the members' page when you log in- you can also join the e-mail list if you are no…