Transient Detections and Other Real-Time Data Processing from MASTER-VWF Wide-Field Cameras
Figure 16
A field around the GRB090424 Swift XRT position. One-minute exposure images taken before, during, and after . Clouds can be seen on the images, resulting in the optical limit of on each frame. Animation is available here: http://observ.pereplet.ru/images/film_grb.html.
