Image Details
Caption: Fig. 1.
Messier 31 as observed by ROTSE‐IIIb. The larger image is a co‐addition of 103 images taken between 2004 December and 2006 June, and the inset shows the ROTSE‐IIIb data from 2007 June 19. The light from the globular cluster is visible in the reference image (boxed).
© 2007. The American Astronomical Society. All rights reserved. Printed in U.S.A.