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Sky Astro - CCD

Sky Astro - CCD

A site dedicated to astrophotography

  • ABOUT
  • IMAGES
    • Sites without light pollution
    • Site of extreme light pollution
    • Solar system images
  • OBSERVATORY
  • EQUIPMENT
    • Personal equipment
    • Rental equipment
    • Choosing equipment for astrophotography
  • PREPARING FOR A SESSION
    • Astronomical calculations
    • Telescope collimation
    • Setting up the telescope
    • Find the polar axis of rotation
    • Make a PEC
    • Autoguiding
    • Focusing the camera
    • Suggested exposure times
    • Maximum exposure time in light pollution
    • Using narrow band filters ...
  • IMAGE ACQUISITION
    • The different image formats
    • Acquisition of images used for preprocessing
    • Acquisition of deep sky images
  • IMAGE PROCESSING
    • The different compositing methods
    • Image preprocessing
    • Processing deep sky images
    • Planetary image processing
    • LRVB technique
  • ADVANCED TREATMENTS
    • Create a synthetic green layer
    • Create a Synthetic Luminance Image
    • Correct the red-salmon color
    • Color balance using curves
    • Remove dust, colored pixels and other imperfections
  • FILES
  • RÉFÉRENCES
    • Software for astrophotography
    • Miscellaneous links
    • Bibliography
  • ENGLISH
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FILES

Here are some evaluation files in the field of astronomical imagery.

The different sources of noise in astrophotography of deep sky objects

CMOS or CCD matrix

Use of narrow band filters to combat light pollution
 Training workshop presented at theACAIQ 2017 (May 2017)
     The downloadable PDF file has been updated for the training workshop. At the end of the
      presentation, there are training videos
  Presentation at the 2016 CCD Colloquium (November 2016) of the FAQ

   Click here to see the presentation video

Surface brightness of deep sky objects

Mathematical comparison between mean, median and Sigma-clip

Impact of temperature change on focus

Rental equipment - Imaging plan

Setting up the mount with PoleMaster

Polar alignment with CGEM mount

Evaluation of the periodic error of the CGEM mount

Richard Beauregard
Sky Astro - CCD

Revise on 2022/01/16

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