NGC 4725 is galaxy in Coma Berenices. To the lower left there is Arp 159.
Had several difficulties while capturing this nice pair of Galaxies, and couldn’t take more Luminance data, but I think it turned out ok
Telescope: William Optics FLT 98 at F/5
Exposures: Lum 4 hours, RGB 2 hours, 6 hours total
Processing: Pixinsight, Photoshop
Corinthia, Greece, SQM-L 20.5, 1st May 2017