Reports & Reviews
Astrophotography, optics and more
Reports written in French
Download (Historical works, PDFs, converters, calculators, sounds, catalogs, and links)
Resolutions & agreements
Regulations about space, astronomy and environment
Digital Darkroom
Image Gallery
Don't be afraid of CCD
The digital darkroom
Composites by examples
Infrared and ultraviolet photography
The rendering time in Terragen
The solar analemma, by Anthony Ayiomamitis
The transits of Venus
Optics & Instruments
The market of solar telescopes
Overview of some accessories for your scope
The Bathinov mask
The best of the best star diagonals
Light pollution rejection filters : UHC vs UltraBlock
Useful filters for viewing deep-sky objects, by David Knisely, PAC
All you need to know about optical aberrations
Coating, anti-reflection and dispersion
Celestron 8 Ultima 2000 vs Meade 8 LX200 Classic
How to select an eyepiece ?
Short eyepiece for the Celestron Nexstar 5
Tele Vue zoom 8-24mm
Practical formulae
Optics quality
How to clean a corrector plate ?
How to correct coma ?
Technical matters
Review of Imaging software
Overview of planetarium and other astronomy software
To buy or not from overseas ?, a matter of price and rights
Why stars don't shine at daytime ?, the eye and CCD
Amateur Research
Amateur or professional ?
List of research programs
Supernovae search
Eureka : if you find something unusual
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