In all probability, one that is beyond the observable Universe.
The furthest known galaxy is IOK-1, which formed about 750 million years after the big bang.
It is, now, approximately 12.9 billion light years from us.
Abell 1835 IR1916 was believed to be around 13.2 billion light years from us, but there is controversy about whether it was a galaxy or not.
The Andromedia.
Yes, it's the most distant dwarf galaxy 13.2 billion light-years from Earth (i.e. PCB2012 3020 in the MACS J1149+2223 galaxy cluster).
Yes, it's the most distant dwarf galaxy 13.3 billion light-years from Earth (i.e. CZC2013 MACS0647-JD1 in the MACS J0647+7015 galaxy cluster).
Yes, it's the most distant spiral galaxy 10.7 billion light-years from Earth (i.e. BX442 in the Pegasus constellation).
Bright, distant, powerful, energetic, at the center of the galaxy.
The most farthest galaxy,Which is also the oldest,is about 13 Billion light years away.It is called the A1689-zD1 Galaxy.
Yes, it's the most distant irregular galaxy 13.4 billion light-years from Earth (i.e. GN-z11 in the Ursa Major constellation).
Yes, it's the most distant dwarf galaxy 13.1 billion light-years from Earth (i.e. MDC2010 1721 in the Hubble Ultra Deep Field).
Yes, it's the most distant irregular galaxy 12.9 billion light-years from Earth (i.e. OOM2012 GN 108036 in the Ursa Major constellation).
Yes, it's the most distant spiral galaxy 13 billion light-years from Earth (i.e. SB-WF 1510-1270 in the Hubble Deep Field South).
The basic idea of Hubble's Law is that galaxies (or galaxy clusters) that are farther away move away from us faster than those that are closer to us.The most distant galaxy yet found is a protogalaxy with the designation UDFj-39546284, with a redshift z = 11.9, about 13.42 billion light-years distant from the Milky Way.In case you are asking for the most distant CLUSTER of galaxies, and not the most distant astronomical galaxy, the answer would be the cluster (or protocluster, science is not yet sure about the nature of this structure) which denomination is BoRG-58 , with a redshift z≅8, and about 12 billion light-years distant from us.
Most galaxies, including our own, have black holes in their centers.