A Light-Weight Pure Javascipt FITS Image Viewer

What is FITS?

Try it now with your own client-side image as follows:

• Load a local file
• Click Header to display FITS header
• Choose desired contrast algorithm
• Center left is magnifying glass under cursor
• Lower left is overall stats and histogram with contrast control
• Two regions of interest controls on the right, each with
• On/off (blue is off initially)
• Contrast
• Histogram and stats
• Move by dragging top center
• Resize by dragging any edge

Or try it with my server-side image, here.

Source code is here.

This was designed to be a small plugin within a larger web project. For something much richer, try js9.

Questions? Comments? Send me a note at Elwood Downey