This is a channel 4 infrared full disk image from GOES-11 taken on Sept 2, 2007 at 21:06UTC. GOES-11 is located
at 135W longitude, 0 latitude and 22,000 miles above the earth.
The GOES satellites are both "cameras in space" and a rebroadcasting transmitters. The camera sends down the image, it is processed
and then sent back to the satellite which rebroadcasts it as LRIT data to us the user.