This image of Abell 1139, a cluster of galaxies in Virgo, was acquired
using an SXV-H9 CCD camera mounted on a Tele Vue NP101, a 101mm f/5.4 apochromatic refractor.
This image is a stack of 8 eight-minute exposures that were calibrated, defect-corrected and stacked using AIP4Win Version 2.
This image has been resampled down from its original size of 1378x1036.
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