UGC 4904 is a barred spiral galaxy in the constellation Lynx.

Its velocity with respect to the cosmic microwave background is 1880 ± 15 km/s, which corresponds to a Hubble distance of 90.5 ± 6.4 Mly (27.74 ± 1.96 Mpc).

[4] On October 20, 2004, a supernova impostor was observed by Japanese amateur astronomer Kōichi Itagaki within the galaxy.

This same star may have transitioned from a luminous blue variable star to a Wolf–Rayet star[5] shortly before it was observed as blowing up as supernova SN 2006jc (type Ibn, mag.

[7] This spiral galaxy article is a stub.