Mysterious dark object in space, scientists detect the lowest mass dark object currently measured – an exotic concentration of dark matter?

Mysterious dark object in space, scientists detect the lowest mass dark object currently measured – an exotic concentration of dark matter?

https://www.mpg.de/25518363/1007-asph-astronomers-image-a-mysterious-dark-object-in-the-distant-universe-155031-x?c=2249