Gonzo Posted September 17, 2023 Share Posted September 17, 2023 This is a Siril stack of 41x300sec and I get this on the side, it looks like amp glow but the 533MC does not have amp glow. The camera/scope/mount was in a dark place with no direct light or ambient anywhere near it, it's always on the right side of my images. This time it's really present. Not sure if I'm doing something wrong with my Siril processing. Link to comment Share on other sites More sharing options...
riklaunim Posted September 17, 2023 Share Posted September 17, 2023 If you stretch a lot / stack a lot without a good dark frame it can show up. I have a different camera with IMX 432 and its amp glow is like this just shifted more to the bottom part Link to comment Share on other sites More sharing options...
Gonzo Posted September 17, 2023 Author Share Posted September 17, 2023 Siril autostretch of a single frame, I cannot see this issue. Link to comment Share on other sites More sharing options...
Elp Posted September 17, 2023 Share Posted September 17, 2023 (edited) Assume you've already done the background extraction? If so you can try it using polynomial method order 1 or 2 on each individual sub, then register and stack. Sensor shouldn't really show any glow of any kind, when I got it I tried a small stack of 5 ten minute subs and minimal amp glow even when looking at histogram preview stretch. You should also crop before stretching to eliminate dithering artifacts where images don't overlap properly at the edges but your issue doesn't look like that. Edited September 17, 2023 by Elp Link to comment Share on other sites More sharing options...
Gonzo Posted September 17, 2023 Author Share Posted September 17, 2023 Well it turns out to be the flats... Link to comment Share on other sites More sharing options...
Elp Posted September 17, 2023 Share Posted September 17, 2023 Got there in the end Link to comment Share on other sites More sharing options...
Gonzo Posted September 17, 2023 Author Share Posted September 17, 2023 yeah, at least it's not an issue with the camera. Just me doing something wrong. Link to comment Share on other sites More sharing options...
Gonzo Posted September 18, 2023 Author Share Posted September 18, 2023 It was the OAG stick... with the stick backed out: with the stick where it should be (in this test, I did not align the prism with the main camera sensor) 1 Link to comment Share on other sites More sharing options...
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