Object NGC 4644A is located exactly in the center of the picture.
NGC 4644A - galaxy in the constellation Ursae Majoris Type: SBb/P - spiral galaxy with bar The angular dimensions: 1.60'x0.5' magnitude: V=13.9m; B=14.6m The surface brightness: 13.5 mag/arcmin2 Coordinates for epoch J2000: Ra= 12h42m42.6s; Dec= 55°8'43" redshift (z): 0.016501 The distance from the Sun to NGC 4644A: based on the amount of redshift (z) - 69.7 Mpc; Other names of the object NGC 4644A : PGC 42708, NGC 4644, UGC 7887, MCG 9-21-30, CGCG 270-14, KCPG 352A
In this version of the NGC catalog used by NASA imagery, ngcicproject.org and other sources.
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