Hold the left mouse button down as you drag the slider above the image (or use the arrow buttons) to fade between the NOAA-16 visible (channel 2) image and the corresponding 10.8 micrometer IR image at 19:09 UTC (3:09 PM EDT) on 06 July 2001. To zoom, click on the "Zoom" button, and then click the "hand" cursor on the image where you want to center the zoom.