Using the Hubble Space Telescope (HST), astronomers ... It has an estimated total mass of 50,000–100,000 solar masses and a radius of about 3.26 light years. With an estimated age of 5–10 ...

Using the Hubble Space Telescope (HST), astronomers ... It has a major axis effective radius of approximately 6,160 light years and its mass is estimated to be at a level of 200 million solar ...

The Hubble Space Telescope captured an image of the spiral galaxy UGC 5460, located 60 million light-years away, which has experienced two recent supernovae: SN 2011ht and SN 2015as.