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Ady Alex

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Everything posted by Ady Alex

  1. Hi all I have a beginner question about dithering. Gear: TS-Optics PHOTOLINE 80mm f/6 : Aperture 80 mm Focal length 480 mm / focal Ratio f/6 Sky-Watcher 9x50 Finderscope :focal length 181 mm ,I think... QHY5 Monochrome for guiding: Sensor Mitron MT9M001, 1/2 inch, BW Effective Pixel: 1280x1024, 1.3 Mpixels Pixel Size 5.2µm x 5.2µm , I don't know the pixel size. Canon EOS 450D for imaging : pixel size 5.20 micrometers. , I think.... What dithering settings shroud I use in PHD2 and APT. Maybe some one can explained the formulas using my gear? I read that the dithering scale for canon must be between 5 and 10. What do you think?
  2. Hi all I found Tecnosky Apochromatic refractor AP 70/478 quadruplet flat-field OTA at 550 euro. I was wondering if anyone knows if it is good for imaging? It has Lanthanum glass, whatever that is. I only know about FPL51, FPL53. All advises are welcome.
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