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Arp 121, John Bozeman

Arp 121

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Arp 121, John Bozeman

Arp 121

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Description

ARP121 is a pair of interacting galaxies located 200 million light years away in the constellation of Cetus at a declination of -5 degrees.   In his Arp catalog, Dr. Arp classified this object into the category of Elliptical and Elliptical-like Galaxies Close to and Perturbing Spirals. The edge-on spiral galaxy is LEDA 3547.  This magnitude 15 object spans 2 arc-minutes in our apparent view, which corresponds to a Milky Way size diameter of 120,000 light years. The elliptical galaxy is LEDA 3553.   This magnitude 16 object is half as large as its companion, with a diameter of 60,000 light years.

Data from the Hubble Space Telescope MAST Portal. Release date: Jul 24 2023

Camera: ACS

Monochrome - F606W


Processed with FITS Liberator, PixInsight and Photoshop 2023.

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Histogram

Arp 121, John Bozeman