NGC4435 and NGC4438 in Virgo, also known as Arp 120 and "The Eyes".
This image is a stack of 45 one minute exposures
using an SXV-H9 CCD camera on a Vixen R200SS 8" f/4 Newtonian equipped with a Paracorr.
The exposures were calibrated, defect-corrected and stacked using AIP4WIN.
This image has been resampled down from its full size of 1368x948.