How to install version 5.53...

- Download the file IRIS.ZIP (size: 2,8 Mb).
- Decompress the IRIS.ZIP in a directory of your choice.
- Copy the icon of the program IRIS.EXE in your desktop (optional).
- For run the program, click on IRIS.EXE file.

It's all !

IRIS is a free software

If after a new installation of IRIS some dialog box disappear, do not panic: (1) exit IRIS, (2) delete the IRIS.INI file in the WINDOWS directory, (3) re-run IRIS. 

Before

After

Open and display an image file
Adjust aspect of a B&W image
Adjust aspect of a color image
Save an image file
Filtering
Stretching
Geometric transformations
Preprocessing of grey level images (1/2)
Preprocessing of grey level images (2/2)
Make B&W master frames
Align stellar images (automatic methods)
Align stellar images (manual methods)
Special alignment functions (field rotation, ...)
Stack a sequence of images
Diphering and optimal addition of a sequence of images
Preprocessing of Digital SLR camera images
Remove gradient of the sky background
DSLR roadmap (preprocessing 2)
Color / B&W conversions 
Load and display a Digital SLR image
Split a CFA image
Color techniques
(L)RGB techniques
Mosaicing

Console commands and scripts
Photometry
Astrometric reduction
Sun processing
Planetary processing
Cosmetic corrections
Atmospheric turbulence correction
Wavelet analysis and noise filtering
Deconvolution
Blinking and animation
Spectra preprocessing
Image selection
Modelisation by ellipse fitting
Polarization analysis
Defringing
Flat-field extraction from science images
Optimal subtraction
Control of an equatorial mount
Remote control of a DSLR camera
Processing of cometary images
Correct optical distortion
Produce High Dynamic Range images (HDR)

Reference manual (list of commands)

Recent update and informations

Version 5.52 cliquer ici (automatic astrometry and cartography)
Version 5.50 cliquer ici (sky cartographic projections)
Version 5.41 cliquer ici (background sky removal, ...)
Version 5.40 cliquer ici (improved remote control of DSRL)
Version 5.34 cliquer ici (new  deblurring tools.)
Version 5.33 cliquer ici (contrast adjustment, improved DSLR control, ....)
Version 5.32 cliquer ici ( improved support of RAW files, ....)
Version 5.31 cliquer ici (special solar eclipses, ....)
Version 5.30 cliquer ici (fisheye images processing, correcting geometrical distorsion, optical vigneting, ....)
Version 5.20 click here (added functions for registration, stacking, support of the Canon EOS 5D, Nikon D200, ...)
Version 5.00 click here (remote control of EOS DSLR, batch mode, ...)
Version 4.37 click here (gradient removal, improved videol, ...)
Version 4.34 click here (autoguiding, virtual equatorial, ...)
Version 4.30 click here (distorsion correction of optics, ...)
Version 4.21 click here (sun chromosphere image processing, ...)
Version 4.20 click here (interactive registration, in fly crop of AVI, ...)
Version 4.19 click here (Sigma SD10 support, Akira Fuji effet)
Version 4.18 click here (support of the DSLR Caon EOS 20D, ...)
Version 4.17 click here (interactive files selection dialog box, ...)
Version 4.16 click here (hot pixels removal, ...)
Version 4.15 click here (improved support of true colors image, ...)
Version 4.14 click here (noise removal, export of 48-bits images, ...)
Version 4.10 click here (complementary functions for DSLR, Pentax *ist D support, video astronomy, webcam raw files management, ...)
Version 4.00 click here (specific function for digital camera, support of 48-bit images, optimized Lucy-Richardson, and many more)
Version 3.83 click here (optimal stacking of image sequence, ...).
Version 3.81 click here (Scan to pic command, ...).
Version 3.80 click here (synchro function, support of USB QuickA interface).
Version 3.72 click here (importation of Starlight Xpress camera images).
Version 3.71 click here (improved webcam functions).
Version 3.70 click here (distortion correction)
Version 3.60 click here (spectra processing)
Version 3.54 click here (field rotation compensation, automatic planetary trichromy processing,...).
Version 3.53 click here (improved precision for automatic photometry, ...)

Old update
Download PDF Help (3.6 MB)  Version 2.1