Comet C/1999 S4 (LINEAR)

2000-07-23 Sunday night, 10:42:50 PM PDT (2000-07-24, 05:42:50 UT)
5 Minutes later comet moved to the right
2000-07-23 Sunday night, 10:47:33 PM PDT (2000-07-24, 05:47:33 UT)
One 30 second image using a SBIG ST237 CCD camera on a Celestron C8 Fastar at f/1.95, FOV 41 x 31 arc min, 3.8 arc sec/pixel, 640 x 480 pixels.