Eclipsing Binary in the Trapezium

posted Aug 7, 2009, 2:21 PM by James Roe   [ updated Jun 19, 2010, 6:37 PM ]
I was recently reminded of this object and I thought of this image I made years ago.  It is an animated gif that shows the effect when two pictures about 3 hours apart are superimposed.  (If it doesn't blink in your browser, try clicking on it.)