Astro-FLEX (Astro-Fits Lite EXplorer) is a simple widget for examining FITS files. It does not carry out initial corrections such as bias, dark or flat-field corrections.  But it will  read and load single files or a sequence of files showing the median. It will also carry out background subtraction and alignment.  There are 3 boxes in one row so that images can be compared to each other. A variety of colour schemes, adjustment of the brightness scale, and linear/log are supported.  Double-click inside a region-of-interest (ROI) box to obtain statistics.  Double-click outside a ROI to see an expanded image. Actions are recorded in a log file, and images can be exported in FITS, png, or jpeg formats.  Latest version is 2.0.0; download is below the picture.
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Executable Distributions
Linux: Click on the button to download (146 Mbytes). Make the file executable, e.g. chmod u+x astro-flex_v2.0.0  To run, type ./astro-flex_v2.0.0 
 Windows: Click on the button to download (108 Mbytes). To run, double-click on the file or in a command window, type astro-flex_v2.0.0-w.exe
Click here for a Youtube video tutorial (12 minutes)
If you like the program, feel free to share with others.  If you see problems or would like improvements,
​send email to  skylady.ji at gmail.com
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