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As someone has shown - FFT provides a quick and fast way of doing a linear registration. In my case this unoptimised version (both code and algorithm) uses the Graphics Processing Unit (GPU) rather than the CPU to register in rotation and translation to give ~17FPS. Actually it's registering an LRGB image here but all white scaled.. so optimised I think this will get to 60fps.. The CPU version of this does.. 4 seconds to a 22MB frame.. Nothing says it better than a video.. Once I have a lens on the camera it will be more sensitive. The camera is bare with just the sensor pointing to the screen.. but it still managed to pick up the movement light caused by my hand.. You can see the text going. in the back ground - they're the frames.. I can add some more processing and optimise but for today.. here it is Once things have settled down.. I hope to get a day of solar to test this further. My optimised original CPU version here, aligning 383L images (17.1MB): Old drivers, old ExampleApp.. before the OpenGL update too!
Not sure testing follows the .. some old (16IC), something new (383L), something borrowed (11000 & 4000) and something blue (titan).. the circuit board is my skeleton 4000 and finally an EFW2. My weekend is a final hardcore testing session for the OSX drivers I've been writing. The 428ex through 490ex have already been tested and work nicely. Steve at ATIK has kindly loaned me a 11000 and 4000 for testing for the weekend. I'll probably try putting together a through the scope comparison tomorrow .. but for now.. let the testing commence!
Hello, This was my first crack at Saturn with the autofocuser fitted and boy did it make life easier. With only the planet to focus on (moons too dim) I still found it very easy. Unfortunately my DIY extension tube was an epic fail. There was so much movement at the barlow end that after 10 minutes of trying, I gave up trying to find Saturn. I have already solved the problem (didn't have time this morning). So this was just with the stock skywatcher 2x barlow at prime focus of a 200p (2000mm FL). Quite shocked at how big it was on the chip nonetheless, so I'm optimistic for better results when I have a 3x barlow and a functioning little extension tube. Seeing was better than last 2 attempts at Saturn. Although when I pointed the scope at the moon it became apparent what "better" was...pretty shabby. Didn't attempt with the IR pass. This is around 3000 frames out of 7000 stacked. Titan was clear so I brought it out with levels adjustment, 3 more moons are visible on the stack but barely so I filled them out. Taken at around 3 am. I'm very happy