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Wade Hilmo

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Wade Hilmo
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  • If you are talking about seeing a red square when you place a sample, that is an indication that the brightness level in the sample exceeds the Tolerance value in Model Parameters (1). Personally, I always crank the Tolerance to 5 or 10.  I then use…
  • Thanks for the suggestion.  It appears that worked. In the better images that I see on the web, the Ha to the south of the Crescent are a bit brighter than the ones to the north.  My Ha master using fixed samples that I selected on the blue channel …
  • Hi Adam, I have a couple of comments from these videos, both related to the camera characteristics. First, when you run the BasicCCDParameters, you are using the readout noise value in electrons, and then doing the math to convert to data numbers fo…
  • Just as an additional note, I uploaded a crop of the star in question above from the RGB.  It shows the reflection artifact that I am describing. https://www.astrobin.com/406281