Comet C/1999 S4 discovered by project LINEAR

Each frame of this animation was a 30 second exposure and measures approximately 6 x 10 arcminutes.  The camera was an ST-6 CCD mounted on a Celestron C-14 telescope located in the on-campus observatory of Augustana College, Rock Island, Illinois.  The photos were taken starting at  4:00 am CDT on July 14, 2000 by David Renneke.  The moon had just gone down.  The altitude was 35o and the azimuth was 37o.