Abell 2731
Cluster of galaxies in Phoenix. NGC 25 is at centre. Click on the image for a fullscreen version.
Below: A wide-field view of the region around the cluster. Click for a fullscreen version.
Below: Two cropped details from the upper right section of the wide-field image showing two faint, more distant galaxy clusters (along with other field galaxies).
11-inch Schmidt-Cassegrain telescope at 560mm focal length; dedicated astro camera.
