I tried to repair using lasso but my mousing skills evidently need help. Ivo, I don't know if I should reply here, or in the feature request section. If PI is not your cup of tea, you could try Astro Pixel Processor as well. This can be a good thing too, as some stacking rejection algorithms will be able to reject the spikes if they keep changing per frame. If the orientation of the camera vs object changes, then the diffraction pattern will change as well. God knows after looking at PI that I don't have the desire, IQ, or time left to learn all there is to know about that Program! If I ran Windows, I'd go with DSS, if Siril were better documented, I'd use it.Īdmin wrote:Aha! The multi-date acquisition may have something to do with it. I never did that when I processed the data, just wanted to learn how to use PI to register & stack so I could use StarTools to process the data out of PI. I have all the data, and perhaps I can find the time to blink though it, compare dates & times, and see if the different angled spikes are being caused by different pier sides, and dates. Combine my lack of knowledge on multi-date imaging, along with never registering/stacking in PI, and I didn't know where to look. I'm leaning in that direction, but I don't actually know. The data were collected over multiple nights, and I wonder if the left side of the pier/right side are causing the issue. To do so I got a trial license for PixInsight. I have never processed LRGB data from Lights, Darks, Flats, and Bias frames. The spikes were driving me a bit nutty for the same reason. What does throw me off a little though, is that the spikes are all oriented differently.Īs for dealing with them in post-processing, they only thing I can think of would be to put them in a mask and using the Heal module to heal them out. ![]() ![]() You really kept the stellar profiles under control well. Diffraction spikes on these bright stars are usually par for the course in M45 renditions.
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